She took an umbrella with her this morning ________ she should be caught in the rain．
A.so thatB.in order thatC.in caseD.now that在线课程C
解析：
解析：本题考查连词用法。so that引导目的状语从句和结果状语从句；
in order that只引导目的状语从句；
now that引导原因状语从句；
in case意为“万一”，它引导的状语从句是可以用should．也可省略。