不稳定型心绞痛

A.冠状动脉痉挛

B.冠状动脉内完全闭塞性血栓形成

C.冠状动脉粥样硬化狭窄≥75%

D.冠状动脉斑块破裂不完全血栓形成

E.冠状动脉粥样硬化狭窄<25%

The car was stopped by highway man, while ______ through a forest.

A．was passing

B．passed

C．passing

D．pass