Which client has the highest risk of ovarian cancer ？（）

A．30-year-old woman taking oral contraceptive pills.

B．45-year-old woman who has never been pregnant.

C．40-year-old woman with three children.

D．36-year-old woman who had her first child at age 22.

消防装备是通常术语，其规范术语是（）。

A.消防科技装备

B.消防作战装备

C.消防器具装备

D.消防技术装备