He is?than his brother.A thinner B thin C the thinner D more thin

问题描述:

He is?than his brother.A thinner B thin C the thinner D more thin

A
than 是比较级的标志
所以,用thin
thin是单音节,所以,直接加er
又因为thin是重读闭音节,所以,要双写n
答案 thinner