Which of the following PC components would be MOST likely at fault for the failure?

Joe, a technician, is sent out to investigate a PC which refuses to turn on for a customer
after a recent thunderstorm. Upon arrival, Joe notices a heavy scent of what seems to have
been an electrical burn.
Which of the following PC components would be MOST likely at fault for the failure?

A.
ODD

B.
CPU

C.
HDD

D.
PSU