--Why has he been staying at home these days?  

--He ___________ since a month ago.

A．has been out of work

B．was out of work

C．has lost his work

D．had left from his work

下面是一位同学准备自编剧本中的一段：一位商人慕名来到了①文艺复兴的发源地英国，②拜会了文艺复兴的“人文主义之父”莎士比亚，③探讨了但丁的悲剧《哈姆雷特》，④他们还欣赏了达·芬奇的《蒙娜丽莎》你认为剧本中应该修改的地方有（）

A.①②③

B.②③④

C.①②④

D.①③④