Weekend one -day out A walk along the Great Wallw _ w w. k#s5 _ u.c o*m   Beijing Hikers is organizing a hike in a village along the Great Wall in Changping District, north of downtown Beijing. The walk will take around three hours covering a distance of 10 kilometres. Time:8:30 a.m~4:30 p.m,Dec,4 Cost:200 yuan(US$25) per adult, 150 yuan ((US$18.5)for under~12s. Meeting place:8:30 a.m. in front of Satarbucks at Lido Holiday Inn, Jiangtai Lu To sign-up(one day before the hike)and more infrormation ,contact Huijie at 139 100 5516. Skiing and hot springs Cycle China plans a day's skiing fun at a resort around Beijing followed by an outdoor hot spring bath for your sore body. Cost:.50 yuan (US$43.40) Time :8:30 a.m~6:30p.m, Dec.4 Location: Meet at the office of Cycle China, opposite the east gate of Jinshan Park, Xicheng District. For more information and reservation, email reserve@ cyclechina. Com or call 139 1188 6524. Horse riding This is a trip to a professional horse- riding club with well- trained bilingual instructors, offering lessons to people who love riding and those willing to learn more. The club is located in Hebei Province next to the Kangxi Grassland. Time:1:30a.m~4:30p.m,Dec.4 Cost:3320 yuan (US$40.74)including one hour's riding, transportation, guide ,lunch To sign-up and more information, contact Lucy at 8580 5080 or 130 1117 1326. If Mary, who is ten years old, wants to hike along the Great Wall with her parents, they will pay   _  dollars.
400 450 68.50 65
Question: Weekend one -day out A walk along the Great Wallw _ w w. k#s5 _ u.c o*m   Beijing Hikers is organizing a hike in a village along the Great Wall in Changping District, north of downtown Beijing. The walk will take around three hours covering a distance of 10 kilometres. Time:8:30 a.m~4:30 p.m,Dec,4 Cost:200 yuan(US$25) per adult, 150 yuan ((US$18.5)for under~12s. Meeting place:8:30 a.m. in front of Satarbucks at Lido Holiday Inn, Jiangtai Lu To sign-up(one day before the hike)and more infrormation ,contact Huijie at 139 100 5516. Skiing and hot springs Cycle China plans a day's skiing fun at a resort around Beijing followed by an outdoor hot spring bath for your sore body. Cost:.50 yuan (US$43.40) Time :8:30 a.m~6:30p.m, Dec.4 Location: Meet at the office of Cycle China, opposite the east gate of Jinshan Park, Xicheng District. For more information and reservation, email reserve@ cyclechina. Com or call 139 1188 6524. Horse riding This is a trip to a professional horse- riding club with well- trained bilingual instructors, offering lessons to people who love riding and those willing to learn more. The club is located in Hebei Province next to the Kangxi Grassland. Time:1:30a.m~4:30p.m,Dec.4 Cost:3320 yuan (US$40.74)including one hour's riding, transportation, guide ,lunch To sign-up and more information, contact Lucy at 8580 5080 or 130 1117 1326. If Mary, who is ten years old, wants to hike along the Great Wall with her parents, they will pay   _  dollars.
A. 400
B. 450
C. 68.50
D. 65
Answer: