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
网友回答
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。