enough time, but he couldn’t do it better. A. He was givenB. GivenC. To be givenD. Thoug

网友回答

A. He was given
B. Given
C. To be given
D. Though he was given
解析：      题意：已经给了他足够的时间，但是他能做的更好。因为but是并列连词，后面是个句子，前面也一定是个句子，而不是一个分词短语或不定式短语，更不能再用连词though，所以排除B、C和D。