He is an excellent teacher,so he is .
A. high thought
B. high thought of
C. well thought of
D. good thought of
网友回答
A. high thought
B. high thought of
(答案→)C. well thought of
D. good thought of
解析：考查被动语态。Think highly/well of…对…高度评价。本句是其被动语态。句意：他是一个优秀的老师，所以他被高度评价。故C正确。