正常分娩保护会阴的时间是在（）。

A.初产儿头拨露使会阴联合皮肤紧张时

B.经产妇宫口开全时

C.经产妇宫口开大4～5cm，宫缩规律有力时

D.初产妇宫口开全时

E.初产妇先露着冠时

The voters were overwhelmingly against the candidate his proposals called for higher taxes.

A．who

B．whose

C．whom

D．which