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（）.<br>A:45 minutes<br>B:1 hour and 15 minutes<br>C:1 hour and 30 minutes<br>D:2 hours

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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