The train was already half an hour late. I had to arrive in Vienna at 7:15 in time to catch the 7:20 train to Paris, but there was no hope of that now. I told my problem to the conductor  . He advised me to get off two stops before Vienna Station and take a taxi. When the time came, he even helped with my bag. He wished me good luck as I jumped off. A few minutes later I was racing towards the center of the city in a taxi. It was almost 7:25 when we stopped outside the station. I paid the driver quickly, picked up my bag and hurried inside. "Paris train?" was all I had time to say to the official I saw. You can see how I felt when he pointed to a train that was just moving out of the station. The conductor advised the writer to get off before Vienna and take a taxi  _  .
as soon as the train stopped after he heard the writer's explanation after he was passing the writer when the train arrived in Vienna at 7:15
Question: The train was already half an hour late. I had to arrive in Vienna at 7:15 in time to catch the 7:20 train to Paris, but there was no hope of that now. I told my problem to the conductor  . He advised me to get off two stops before Vienna Station and take a taxi. When the time came, he even helped with my bag. He wished me good luck as I jumped off. A few minutes later I was racing towards the center of the city in a taxi. It was almost 7:25 when we stopped outside the station. I paid the driver quickly, picked up my bag and hurried inside. "Paris train?" was all I had time to say to the official I saw. You can see how I felt when he pointed to a train that was just moving out of the station. The conductor advised the writer to get off before Vienna and take a taxi  _  .
A. as soon as the train stopped
B. after he heard the writer's explanation
C. after he was passing the writer
D. when the train arrived in Vienna at 7:15
Answer: