— Most students went to the party yesterday. It is a pity that you were absent. 

— I wish I ______. But I was terribly busy. [ ]

A. did        

B. had          

C. were              

D. would

比赛的终止关闭时间为最后一批运动员出发，预计完成全赛程所需时间的（）

A.1.5倍至2倍时间

B.3倍至4倍时间

C.5倍至6倍时间

D.无限制