请说明理由选哪个

题目

请说明理由选哪个
Kate's learned how to surf
( ).And ( )
A.so she has ,so I have B.so she has so have I
C.so she does,so do I D.so she is ,so am I

答案

B.
首先Kate's 是Kate has的缩写,另外,so she has 是对她做这件事情的重复,加以强调.而so have I 的意思是我也一样.