—You seem to like sweets.

—_______. That’s probably why I’m becoming fatter and fatter.

---You seem to like sweets.

---_______ .That’s probably why I’m becoming fatter and fatter.

1. A.
   So I do
2. B.
   So do I
3. C.
   So am I
4. D.
   So I am

--You seem to like sweets.    --           .That's probably why I'm becoming fatter and fatter.

A. So I do      B. So do I     C. So am I    D. So I am