His theories, though criticised by economists of more orthodox bent, have had enormous --------- on governmental fiscal policies.
(A) restraint
(B) impact
(C) acceptance
(D) tension
(E) reliance
〖解答〗
由于以though引导的从句体现出某种贬义色彩,故在与之对立的主句中,所代入的词汇应体现褒义色彩,(A)和(D)两项可排除。(C) acceptance与空格后的介词on在搭配上是不合理的。(E) reliance不合题意。答案为(B)。