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

• A. nhances safety by serving two independent lines in a divided line brake circuit
• B. nhances safety by activating the brakes using vacuum pressure in the event of brake fluid loss
• C. upplies equal fluid pressure to each line of a divided line brake circuit, thereby preventing the brakes from dragging on one side
• D. oosts the brake fluid pressure to reduce the force required to depress the brake pedal