-- If only I _______ the teachers instructions, in which case I ______ not so unlucky now.

-- It’s high time that you _______ yourself.

A．followed; am; should reflect

B．had followed; would have been; reflected

C．would follow; would be; reflect

D．had followed; would be; reflected

下列对“伤寒”描述正确的是（）。

A.皮肤淤点淤斑

B.大片淤斑伴中央坏死

C.充血性皮疹

D.皮肤溃疡及焦痂

E.疱疹