--- I recommend you first give up smoking, and then try to find a job so that you’ll start a new life.

--- _______.

A．Not in the least

B．Easier said than done

C．It’s up to you

D．That all depends

造血调节中的因子调节包括（）

A.干扰素

B.红细胞生成素

C.白细胞介素

D.血小板生成素

E.干细胞因子