did you have a good time at laura's birthday party?surely .i did _英语解答

did you have a good time at laura's birthday party?surely .i did .It's several years_____
i enjoyed myself so much.
A.when B.before C.since D.that
c 为什么是正确的?

人气：227 ℃　时间：2019-08-18 02:38:30

解答

C
我已好几年没那么开心了.（自从我上一次那么开心以来已好几年了.）
It's +时间+since+一般过去时从句.（自从.以来已.时间了）