Tom thinks that mary is a good player,_________.A So do I B So she is C So is she 为什么选B而不选A

题目

Tom thinks that mary is a good player,_________.A So do I B So she is C So is she 为什么选B而不选A

答案

从语法角度这两个都对!答案是选 A不选B,
但我也这样认为在英语里有固定的习惯用法：I think so .英语不仅讲语法,更倾向遵守英语的固定用语和习惯用法.