Following statements are given regarding the above passage:a) Automobile driving system is an open-loop control systemb) Automobile driving system is a closed-loop control systemc) Traffic signal system is a closed-loop control systemd) Traffic signal system is an open-loop control systemOut of the above statements, which are correct?

• A. and d) are correct
• B. and c) are correct
• C. and c) are correct
• D. and d) are correct