He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.

A．should

B．must

C．wouldn’t

D．can’t

下列作品中，属于游记体的是（）

A.《沙漠里的奇怪现象》

B.《苏州园林》

C.《箱子岩》

D.《我与地坛》