The advantage of having a tandem master cylinder arrangement in automobiles is that it

A. Enhances safety by serving two independent lines in a divided line brake circuit

B. Enhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss

C. Supplies equal fluid pressure to each line of a divided line brake circuit, thereby preventing the brakes from dragging on one side

D. Boosts the brake fluid pressure to reduce the force required to depress the brake pedal

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