my brother and i will go to the library tomorrow.----.shall we go thgether?

问题描述:

my brother and i will go to the library tomorrow.----.shall we go thgether?
a.so am i
b.so do i
c.so i am
d.so will i

选d.我也是(要去图书馆)这里的动词要与前面提到的一致.