---I am crazy about chocolate.
--- . That’s probably why I am being fatter and fatter.
A. So I am
B. So am I
C. So do I
D. So I do
网友回答
A. So I am
(答案→)B. So am I
C. So do I
D. So I do
解析:so +主语+助动词,表示主语与上文将的主语为一致的,而so+助动词+主语,表示主语与上文不是一致的,根据句子的意思,可知答案为B