There is no doubt      our educational system leaves something to be desired．
A．whatB．whether C．ifD．that
D

試題分析：考查同位語(yǔ)從句：句意：毋庸置疑,我們的教育體系,留給了我們一些為之憧憬的東西.即 有不足之處!There is no doubt that…，毫無(wú)疑問(wèn)…，that引導(dǎo)的是同位語(yǔ)，說(shuō)明doubt的內(nèi)容，如果是There is doubt后面用whether，選D。
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