A、  B、  C、  B本句是询问公司多久招收一批新雇员的How疑问句。应该了解How often…用来询问频率。

Where is the laptop I was using?
(A)In conference room F.
(B)We are used to it.
(C)Yes, it’s brand new.

How often does the company hire new employees?
(A)For an upcoming project.
(B)Two times a year.
(C)The personnel department.