This is a question with answer options. Goal: To charge the battery of a smartphone,

Which of the following methods is more reasonable for accomplishing this goal?

Options:
*you should plug a USB cable in a power supply, plug the supply in an outlet, plug the cable into the wireless charging pad and lay the phone on it..
*you should plug a USB cable in a power supply, plug the supply in an extension cord, and plug the other end of the USB cable directly into the phone.....I think the answer is
you should plug a USB cable in a power supply, plug the supply in an outlet, plug the cable into the wireless charging pad and lay the phone on it.