It is impossible to use a computer without a mouse. Is this statement true or false?

A. True, because you can't install other peripherals without a mouse plugged in to a computer.
B. False, because a mouse is always an external peripheral, and only internal peripherals are considered essential.
C. False, because keyboards have "hot keys" which allow them to perform similar functions as a mouse.
D. True, because without a mouse, you can't write or send emails.