After the exposure of his lies the Congressman is no longer a( )politician.
A、arguable
B、intolerable
C、credible
D、legible
【正确答案】:C
【题目解析】:本题考查词义辨析。arguable:可论证的,有论据的;intolerable:无法忍受的,不能容忍的;credible:可信的,可靠的,可接受的;legible:清晰可读的,清楚的。句意:这位国会议员的谎言被揭穿后,他就不再是一位可信赖的政治家了。故C选项符合题意。