问题补充：
He does English than Chinese.
A. better at
B. good at
C. better in
D. well in
答案：
A. better at
B. good at
(答案→)C. better in
D. well in
解析：短语be good at擅长某事；do well in sth擅长某事。句意：比起语文来，他英语学得更好。结合下文than及语境，可知本句表示在两个事物中进行对比，联系前文谓语动词does，可知副词well的比较级，故选C。
