–I don’t know if you remember me David. We were in the same summer camp last year. –. You

问题补充：

–I don’t know if you remember me, David. We were in the same summer camp last year.

–. You were always telling jokes.

A. Not really B. That’s right C. Sure I do

答案：

解析：情景交际。Not really不是真的；That’s right那是正确的；Sure I do，当然了，我做。句意：我不知道你是否记得我，戴维德。我们去年在同一个夏令营。根据下文，你总是讲笑话。可知选C最符合语境。