问题
I have _____ an eye _____ you now, so you do as you _____!
A:left; over; have to
B:to keep; on; were told
C:kept; down; have been told
D:kept; on; are told
B:to keep; on; were told
C:kept; down; have been told
D:kept; on; are told
正确答案是：
