心脏压塞的体征不包括（）

A.血压下降或休克

B.颈静脉显著怒张

C.心音低、遥远

D.奇脉

E.脉压增大

He was told that it would be at least three more months _____ he could recover and return to work.

 [ ]

A. when

B. before

C. since

D. that