. Instead of calling ________ his uncle, he called ________ my new house with his wife that day.

A．by; for

B．on; at

C．for; on

D．at; by

陈旧性宫外孕合并感染最难鉴别的是（）。

A.流产

B.子宫穿孔

C.黄体破裂

D.急性阑尾炎

E.盆腔炎块