单选题A helicopter making a round trip from a helideck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last（）.A45 minutesB1 hour and 15 minutesC1 hour and 30 minutesD2 hours
单选题
A helicopter making a round trip from a helideck with refueling capabilities to an unmanned platform will take 45 minutes each way. The helicopter should be carrying enough fuel to last（）.
A
45 minutes
B
1 hour and 15 minutes
C
1 hour and 30 minutes
D
2 hours
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