Question

Two middle-aged passengers fall into the sea._______ neither of them would swim.

A.In fact               B.Luckily              C.Unfortunately     D.Naturally

Answer 1

C

解析:

因为掉进了大海里，且两人都不会游泳，自然是不幸的事情了。根据“neither of them could swim”这一句确定选C。