It’s not to judge a man only by his look．You ought to know more about him．
A. stubborn
B. grateful
C. reliable
D. straight
网友回答
A. stubborn
B. grateful
(答案→)C. reliable
D. straight
解析：考查形容词：A．stubborn固执的，B．grateful感激的，C．reliable可靠的，D．straight直接的，句意：只凭外貌评价一个人是不可靠的，你应该更多的了解他。选C。