He knows _________ about computer than me.
A. much B. more C. most
He knows _________ about computer than me.
A. much B. more C. most
答案：B
【解析】副词的比较等级的用法。本句意思为“关于电脑方面的知识他知道的比我多”,从句子后面的than可以看出应该用much的比较级。故答案为B。