The four-stroke cycle is so called because it takes （） to complete the processes needed to convert the energy in the fuel into work.<br>A:two strokes of the piston<br>B:four strokes of the piston<br>C:one revolution of the crankshaft<br>D:four revolutions of the crankshaft

The four-stroke cycle is so called because it takes （） to complete the processes needed to convert the energy in the fuel into work.
A:two strokes of the piston
B:four strokes of the piston
C:one revolution of the crankshaft
D:four revolutions of the crankshaft

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