A: Pi1ot Station, this is Eastern Sea calling. Over.B: Eastern Sea, this is Pi1ot Boat. P1ease call me on ch12, 15 minutes before your arriva1.Q: What is Eastern Sea asked to do?
A.
Contact Pi1ot Station on channe1 15 after her arriva1
B.
Contact Pi1ot Station on channe1 12 before her arriva1
C.
Contact Pi1ot Station on channe1 15 before her arriva1
D.
Contact Pi1ot Station on channe1 12 after her arriva1