I do feel pity I can’t really do very much to help them out of the difficulty.A. As long

问题补充：

I do feel pity, I can’t really do very much to help them out of the difficulty.

A. As long as

B. As

C. while

D. Even

答案：

A. As long as

B. As

(答案→)C. while

D. Even

解析：连词辨析。A只要；B当…时；C当…时；然而；尽管；D即使；尽管我的确感觉很遗憾，但是我也无法做太多的事情帮助他们摆脱困境。根据句意说明本题中的while表示尽管=though。故C正确。