like doing 喜欢做某事,因为这道题的前半句是like watching,所以后半句也要用doing的形式来做回答,即going,其实这道题目的完整形式是：I like watching TV more than like going to the cinema.千万不要被to the cinema 的to 迷惑了!
如果要选A,那么前半句应该是,I like to watch TV more than to go to the cinema!