Tom wait a minuteWhat for? Take an umbrella it rains.A. in order thatB. so

问题补充：

--- Tom, wait a minute.

--- What for?

--- Take an umbrella it rains.

A. in order that

B. so that

C. in case

D. as if

答案：

A. in order that

B. so that

(答案→)C. in case

D. as if

解析：本题的含义是带上雨伞以防天气下雨。in case表示以防的意思，故本题选C。