if you work harder,you'll get()results()Chinese.A.good in B.better in C.good at D.better at

问题描述:

if you work harder,you'll get()results()Chinese.A.good in B.better in C.good at D.better at

harder表示更努力些,所以后面要用better会得到更好的成绩,in Chinese表示在汉语方面
所以选择B