单项选择题

__________will be asked to call the office SO that the manager can know how the visit will be going.
A.You,Mary,John and I
B.Mary,You,John and I
C.John,You,Mary and I
D.I,You,Mary and John

A.A.You,Mary,John
B.Mary,You,John
C.John,You,Mary
D.I,You,Mary