Again and again the doctor ______the crying girl, but he couldn’t find what was wrong with her.

A．looked over

B．looked after

C．looked for

D．looked out

22岁经产妇，曾足月分娩2次。月经周期正常，经量中等。查 * * 前后壁明显膨出，重度颗粒型宫颈糜烂，宫口松，子宫后倾，正常大，附件未见异常。本患者要求避孕，最合适的避孕方法是（）。

A.安全期避孕

B.阴茎套避孕

C.外用避孕药

D.宫内节育器

E.口服短效避孕药