问题补充：
The Prime Minister refused to comment on the rumor that he had planned to .
A. discharge
B. dismiss
C. resign
D. resume
答案：
A. discharge
B. dismiss
(答案→)C. resign
D. resume
解析：resign(=give up a post)辞职：1)imagine he will resign.2)It was his duty to resign his position.
discharge sb.= dismiss sb.解雇某人：He was discharged(=dismissed) for being dishonest.
