此题选C,AB选项与后面的那个单词do不搭配,D选项不符合,此处主要强调的是我的这个能力,而非意愿,D强调的是意愿请问i think 开头的句子从句是不是都要用一般现在时？不一定啊，比如 i think i could do it better if i had studied hard