Question

They suggested that the professor          just now should be made chairman of the meeting.

A．referring to

B．referring

C．referred to

D．referred

Answer 1

C

考查非谓语动词作定语。the professor 与refer  to 为动宾关系所以用过去分词作定语。句意：他们建议刚才提到的那位教授应该当会议主席。