State whether the following statements regarding electric traction are true or false.(a) Provision of a negative booster is essential in the case of electric traction.(b) Communication lines that run parallel to the power supply lines of electric action suffer from electrical interference.

• A. (a) False, (b) True
• B. (a) True, (b) True
• C. (a) True, (b) False
• D. (a) False, (b) False