Refer to the exhibit. Based on the information given. Which switch will be elected root bridge and why?（）

• A、Switch A ,because it has the lowest MAC address
• B、Switch C,because it has the lowest priority
• C、Switch B,because it has the highest MAC address
• D、Switch C,because it is the most centrally located switch
• E、Switch A,because it is the most centrally located switch
• F、Switch D,because it has the highest priority