Ben we all went to the history museum because he had to care for his sick mother.A. ForB

问题补充：

Ben, we all went to the history museum, because he had to care for his sick mother.

A. For

B. Like

C. But

D. Except

答案：

A. For

B. Like

C. But

(答案→)D. Except

解析：except是介词。表示除…之外。