I listened carefully to his long boring speech, but could not what he was talking about．
A. pick out
B. bring out
C. make out
D. give out
网友回答
A. pick out
B. bring out
(答案→)C. make out
D. give out
解析：短语辨析。A挑选出；B使出现,使显明;公布,出版；C辨认出，理解；D发出；耗尽；结合句意可知C正确。句意：我仔细地听了他那个很长且让人厌倦的演讲，但是不能理解他所说的内容。