Sally worked late in the evening to finish her report ________ her boss could read it first the next

Sally worked late in the evening to finish her report ________ her boss could read it first the next morning.

A.so that

B.because

C.before

D.or else

答案及解析： A

解析：

加班加点完成报告的目的是为了老板第二天早晨能看到，应用so that来引导表示目的的状语从句．