he is..today than yesterday Aquiet well Bquiet better Cmuch better D very well

问题描述:

he is..today than yesterday Aquiet well Bquiet better Cmuch better D very well

C much better
分析:句中有一个 than,所以可以知道是一个比较级,排除A和D,而B的quiet意思是安静的,C much better 更好,好一些的意思,语法和句意都符合