The best way to learn English is（）it as often as possible.A use B uses C use D used.选哪个.

The best way to learn English is（）it as often as possible.A use B uses C use D used.选哪个.
The best way to learn English is（）it as often as possible.A use B uses C use D used.选哪个.

The best way to learn English is（）it as often as possible.A use B uses C use D used.选哪个.
The best way to learn English is（to use ）it as often as possible
学英语的最好方法是尽量使用它
所以LZ可能打错了,少打了一个to

A和C 是一样的？估计有一个选项是to use吧。那么就应该选择to use

to use

AC 是一样的啊

to use

如果有TO USE就应该选这个答案，这是动词不定式做表语的用法，希望对你有帮助

A 因为学英语是一个一直持续的过程。所以排除D 不过呢你的A和C是一样的啊。该选TO USE