题目选项分析

选项A
选项C
选项D
选项E

比较两个句子语法结构语义，选出最佳答案：

If the recruitment agency does what it is supposed to do

, then everyone benefits—the client gets a suitable candidate for the vacant position, the candidate is placed in a satisfying position, and the agency receives a fee commensurate to its work.

If the recruitment agency does what it is to be doing

, then everyone benefits—the client gets a suitable candidate for the vacant position, the candidate is placed in a satisfying position, and the agency receives a fee commensurate to its work.

写下分析过程，便于复习“吃透”这个句子：

答对用户笔记

题目基本信息

所属科目：语法SC
题目来源1：Ready4-0

难度：难