Question

He looks so weak and pale ________ suffering from a serious illness.

A．as if

B．as long as

C．now that

D．even if

Answer 1

A

词义辨析。as if仿佛，好像；as long as只要；now that由于，既然；even if
即使，甚至；句意：他看起来如此的虚弱，苍白仿佛才从一场大病中恢复过来。选A。