问题
选择题
hard she tried, she couldn't control her feelings when she was told her baby had been found．
A．As
B．While
C．However
D．Although
答案
C
题目分析：考查连词。As 因为；while虽然；however然而；although虽然。句意：无论他多么的努力，当被告知她的孩子被找到了，再也不能控制自己的情绪了。However 等于no matter how引导让步状语从句，故选C项。
考点 : 考查连词