The experiment turned out to be , which wasn’t they wanted.
A. a pletely failing ; as
B. a plete failure ; what
C. pletely failure ; that
D. failed ; 不填
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A. a pletely failing ; as
(答案→)B. a plete failure ; what
C. pletely failure ; that
D. failed ; 不填
解析：某些抽象名词具体化后变成可数名词,前可加冠词.failure在此意为“一次挫败的事”.第二空的what引导一个表语从句，what充当wanted 的宾语.