问题补充：
— Jim and I will go to the post office this afternoon.
—. go together ?
A. So I do ; Why don’t
B. So do I ; What about
C. So I will; how about
D. So will I ; Shall we
答案：
A. So I do ; Why don’t
B. So do I ; What about
C. So I will; how about
(答案→)D. So will I ; Shall we
解析：so引导的倒装句，如果主语与上文不一致，就用完全倒装，根据句子意思可知答案为D
