-Mary had a wonderful time at the party -( ) A so she did B so she had 为啥不能选B

问题描述:

-Mary had a wonderful time at the party -( ) A so she did B so she had 为啥不能选B

A So +主语+助动词,表示确实如此。一般过去时的助动词是did .

so she did,did是助动词,so+主语+助动词