By the time I saw the angry expression on his face, I ______ exactly what I was having to face. But not for a moment ______ I should quit.

A．had known; I thought

B．have known; had I thought

C．would know; I would think

D．knew; did I think

痹证的治疗还宜重视养血活血，即所谓"治风先治血，血行风自灭"，这种治则首载于（）

A.《医宗必读·痹》

B.《济生方·痹》

C.《外台秘要》

D.《证治准绳》

E.《金匮要略》