问题
单项选择题
Whenever the government increases public services, () because more workers are needed to carry out these services.
A. employment to rise
B. employment rises
C. which rising employment
D. the rise of employment
答案
参考答案：B
解析：
语法应用。
逗号前是一个让步状语从句，because又引导一个原因状语从句，因此所填之处应为一个完整的主谓结构；B为答案。