The boy went swimming in the deep lake his mother’s fear for his safety.A. but forB. rega

问题补充：

The boy went swimming in the deep lake， his mother’s fear for his safety.

A. but for

B. regardless of

C. apart from

D. instead of

答案：

A. but for

(答案→)B. regardless of

C. apart from

D. instead of

解析：

考查介词短语辨析。but for要不是，如果没有； regardless of不顾，不管；apart from远离，除……之外，且不说；instead of代替，作为……的替换。根据句意应选B项。