选A.with;at,
解释:help sb. with sth.在什么事情上帮助某人
be good at善于,擅长于(better为good的比较级)
Thanks for helping me (with) my English.I am better (at) it now.
翻译:谢谢你帮助我学习英语,我更擅长英语了。
Thanks for helping me(with )my English.I am better(at )it now.
A.help with be good (better) in
A
B 但我觉得用at更好
A
a