he saves money___ he can buy some birtyday presents for his mother.A.so B.so that C.in order选哪个?

he saves money___ he can buy some birtyday presents for his mother.A.so B.so that C.in order选哪个?
he saves money___ he can buy some birtyday presents for his mother.A.so B.so that C.in order
选哪个?

he saves money___ he can buy some birtyday presents for his mother.A.so B.so that C.in order选哪个?
B.需要能连接从句的,只有B.
C后加that就对了.

这肯定是中文老师出的题，前两者意思一样，只是B更通顺，c。in order 后要加to

B.目的状语从句。以便.......。祝你成功

选B.so that 目的状语从句的一种，或者你可以直接记为固定搭配 so...that...如此...以至于...和...so that...因而... 都是很常见的固定用法~