When the policeman stopped us, we all looked questioningly at him, .
A. nervously and puzzled
B. nervous and puzzling
C. nervous and puzzled
D. nervously and puzzling
网友回答
A. nervously and puzzled
B. nervous and puzzling
(答案→)C. nervous and puzzled
D. nervously and puzzling
解析：C 考查形容词作状语。此处为形容词作伴随状语，所以选C项。