25岁已婚妇女，平时月经规律，（4～5）天/30天。现停经50天，恶心、乏力一周， * * 少量出血伴下腹隐痛5天就诊，自述未见膜样组织及水泡样物排出。

首先考虑的诊断可能是（）

A.月经不调

B.先兆流产

C.难免流产

D.异位妊娠

E.正常早孕

The artist spent years on his monumental painting, which covered the whole roof of the church, the biggest in the country.

A．archaic

B．sentimental

C．outstanding

D．entire