下列除哪项外均是麝香的主治病证（）

A.脱证神昏，冷汗淋漓

B.闭证神昏

C.疮疡肿毒，咽喉肿痛

D.血瘀经闭，癥瘕

E.难产，胞衣不下

____ the people have become masters of their country _____ science can really serve the people.   [ ]

A. It is only then; that    

B. It was that; when    

C. It is only when; that  

D. It was when; then