we have eight classes every day .so do we,so have we,neither do we,neither have we

问题描述:

we have eight classes every day .so do we,so have we,neither do we,neither have we
选择填空,理由

So do we.
我们每天有八节课,我们也是.
应答句为肯定,排除C D,have classes中的have是上课的意思,所以不能用have作助动词,因此排除B