----“What a terrible rain we are having!”
----“Yes. We are asked to pay more attention to the information about the rain flood.”
A. as well as
B. so long as
C. because of
D. in case of
网友回答
A. as well as
B. so long as
C. because of
(答案→)D. in case of
解析：复合介词in case of有两个意思，一是表示条件，意为“如果”；二是表示目的，意为“以防”。如：In case of fire, call 119. 万一失火，就打119电话。
Take an umbrella with you in case of rain. 带把雨伞，以防下雨。