问题描述：
求教英语选择题,麻烦详解一下C选项
Son:Father,you promised that if I did well in the exam you would buy me a new bike.
Father:________ I will buy it tomorrow.
A.So did I.\x05\x05\x05\x05\x05
B.Really?
C.So I did.\x05\x05\x05\x05\x05
D.You should keep your promise.
Son:Father,you promised that if I did well in the exam you would buy me a new bike.
Father:________ I will buy it tomorrow.
A.So did I.\x05\x05\x05\x05\x05
B.Really?
C.So I did.\x05\x05\x05\x05\x05
D.You should keep your promise.
问题解答：
我来补答展开全文阅读