Jason will never forget about his 18th birthday,           saw his being admitted to Harvard.

A．when

B．which

C．that

D．it

汽车库是用于停放由内燃机驱动且无轨道的客车、货车、工程车等汽车的建筑物，其按照围封形式可分为（）。

A.敞开式汽车库

B.半敞开式汽车库

C.封闭式汽车库

D.有窗的汽车库

E.无窗的汽车库