问题补充：
Come and see me whenever .
A. you are convenient
B. you will be convenient
C. it is convenient to you
D. it will be convenient to you
答案：
A. you are convenient
B. you will be convenient
(答案→)C. it is convenient to you
D. it will be convenient to you
解析：考查固定句式。固定句式：when It is convenient to sb在某人方便的时候，要特别注意convenient的主语不能是人。句意:在你方便的任何时候来看我都可以。故C正确。
