—Did you notice him come in?

—No. I _____ a football game. [ ]

A. have watched

B. had watched

C. am watching

D. was watching

国际奥委会委员的义务（）

A.参加国际奥委会全会

B.参加被指派的国际奥委会专门委员的工作

C.致力奥林匹克运动的发展

D.监督奥林匹克计划在所有国家的执行情况