根据公司法律制度的规定，下列选项中，属于上市公司监事会职权有( )。

A．提议召开临时董事会会议

B．提议召开临时股东大会会议

C．选举和更换由股东代表出任的监事

D．提名独立董事候选人

He turns deaf ear to his parents,    many times they have pointed out his weaknesses.

A．whatever

B．whichever

C．whenever

D．however