单选题 Professor Wang, ______ for his informative lectures, was warmly received by his students.
A. knowing B. known C. to be known D. having known

【正确答案】 B

【答案解析】[解析] 句意是：王教授以其内容丰富的授课而闻名，深受学生欢迎。此题考查被动语态。be known for sth．表示“以……而闻名”。空格处省略了who was，直接用过去分词作状语。所以正确答案是B选项。