—Excuse me,do you have the time?

—Sorry,I have no watch.

—___________

A．What a shame.

B．Thanks anyway.

C．It doesn’t matter.

D．Why not buy one?

中、晚期妊娠诊断常用的辅助检查方法是（）

A.B型超声检查、宫颈黏液检查

B.超声多普勒法、基础体温测定

C.超声多普勒法、宫颈黏液检查

D.B型超声检查、超声多普勒法

E.B型超声检查、基础体温测定