I've always felt a bit sad for weekend fathers, who are divorced and must maintain a bond with their children through visits on the weekend.Not having the opportunity for a lot of quality time, they go in for quantity  giving lots of gifts and taking the children on non stop outings. But now I can understand.I'm a weekend mom.My child, Henry, is a dog. Henry just returned to his father, Jack, after a happy stay with me.For ten days, I fed him the best food, canceled plans to stay home with him and let him sleep on the bed every night. Jack and I broke up a year ago.But neither of us wanted to part with Henry, so we share him.Not surprisingly, Henry is a willing participant in our contest for his love. Jack doesn't let Henry sleep on his bed, so that's where I can always gain big points.I feed Henry higher        quality food.I am always replacing his expensive "thingy" ,a cotton knot he likes chewing on.It' s his favorite toy, and the only one he has is at my house.Score another one for me. Jack now has a girlfriend, Lucy.At first she was afraid of dogs, which secretly delighted me.But that Henry, just trying to be polite(the way I taught him to be),won her over. If truth be told, as time passes, there has been a slight change in Henry' s behavior toward me.The worst was one day when Jack dropped him off for a two        week stay.Henry and I were in the backyard playing as Jack was driving off.When he heard Jack's truck, he ran after it for two blocks until Jack had to stop and bring him back. That hurt, especially since I had friends over at the time.In a rare conciliatory   mood, Jack said to me, "You know, I' m his best friend, but you'll always be his mom." Whatever it takes, I plan to make sure it stays that way. This article is mainly about  _  .
the tips on keeping dogs the writer' s happy life with a dog the writer' s efforts to win a dog's love the relationship between the writer and Jack
Question: I've always felt a bit sad for weekend fathers, who are divorced and must maintain a bond with their children through visits on the weekend.Not having the opportunity for a lot of quality time, they go in for quantity  giving lots of gifts and taking the children on non stop outings. But now I can understand.I'm a weekend mom.My child, Henry, is a dog. Henry just returned to his father, Jack, after a happy stay with me.For ten days, I fed him the best food, canceled plans to stay home with him and let him sleep on the bed every night. Jack and I broke up a year ago.But neither of us wanted to part with Henry, so we share him.Not surprisingly, Henry is a willing participant in our contest for his love. Jack doesn't let Henry sleep on his bed, so that's where I can always gain big points.I feed Henry higher        quality food.I am always replacing his expensive "thingy" ,a cotton knot he likes chewing on.It' s his favorite toy, and the only one he has is at my house.Score another one for me. Jack now has a girlfriend, Lucy.At first she was afraid of dogs, which secretly delighted me.But that Henry, just trying to be polite(the way I taught him to be),won her over. If truth be told, as time passes, there has been a slight change in Henry' s behavior toward me.The worst was one day when Jack dropped him off for a two        week stay.Henry and I were in the backyard playing as Jack was driving off.When he heard Jack's truck, he ran after it for two blocks until Jack had to stop and bring him back. That hurt, especially since I had friends over at the time.In a rare conciliatory   mood, Jack said to me, "You know, I' m his best friend, but you'll always be his mom." Whatever it takes, I plan to make sure it stays that way. This article is mainly about  _  .
A. the tips on keeping dogs
B. the writer' s happy life with a dog
C. the writer' s efforts to win a dog's love
D. the relationship between the writer and Jack
Answer: