对于避孕措施的选择，下列哪项说法不正确？（）

A.新婚妇女可服用复方短效口服避孕药

B.哺乳期女性不宜使用雌激素、孕激素避孕药物

C.短期内不考虑生育要求者可采用宫内节育器

D.哺乳期可采用安全期避孕

E.绝经过渡期不宜采用复方避孕药

When asked what original intention would lead them to volunteer, about _______ said they were “willing to do something for the Games.”

A．half of them

B．half of which

C．half of whom

D．half of who