问题
选择题
From his looks, we can decide that he’s come across problems.
A．puzzling; troubled
B．puzzling; troubling
C．puzzled; troublesome
D．puzzled; troubled
答案
答案：C
“从他那吃惊的表情，我们断定他遇到了麻烦事。” puzzled吃惊的，puzzling令人吃惊的，troubling 令人烦的，所以答案C。