单选题 In spite of the taxing business schedule, he managed to take some time off for exercise.
A. imposing B. demanding C. compulsory D. temporary

【正确答案】 B
【答案解析】taxing:繁重的,负担重的;imposing:给人印象深的,宏伟的;demanding:需要很多精力和时间的,要求高的;compulsory:必须的,义务的;temporary:临时的