问题
选择题
She listened with a________expression on her face,which suggested she didn’t completely understand.
A．puzzling
B．frightened
C．frightening
D．puzzled
答案
答案：D
考查形容词。A令人不解的；B令人害怕的；C害怕的；D不解的。句意：她带着不解的表情听着，表明了她没有完全理解。