单项选择题

The most inefficient method of voltage reduction from the stand point of power loss, is a/an （）

A.capacitor in series with the load
B.inductor in series with the load
C.capacitor and inductor in series with the load
D.resistor in series with the load

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船舶电气与船舶安全

The most inefficient method of voltage reduction from the stand point of power loss, is a/an （）