Why did McCain frequently change schools during his childhood ?

A、Becausehedislikedtheseschools.
B、Becausehisfamilydidnotexpecthimtogotoschool.
C、Becausehismilitaryfamilymustmovetodifferentnavalbases.
D、Becausehewantedtobecomeanavyadmiral,likehisfatherandgrandfather.