单选题 In the search for solution to seemingly overwhelming problems, it became increasingly ______ to include radical, even revolutionary ideas.
A. stable B. absolute C. immortal D. plausible

【正确答案】 D
【答案解析】[解析] 本题中，D项的“plausible似乎有理的”符合题意，如：a plausible excuse．(看似有理的借口)。其他三项“stable稳定的；absolute绝对的；immortal不朽的”都不正确。