Each time Caroline turns on her computer, she has to enter a company code, then

Shero

试卷: SAT句子挑错练习01[查看]
Each time Caroline turns on her computer, she has to enter a company code, then her initials, and then enters a password before she can begin working.
A: has
B: enters a password
C: before
D: begin working
E: error

参考答案: B

本题解释:
这里考的是平行结构对称的问题，前面是enter a company code, then her initials, and then后面直接接名词 a password即可