Salvatore Accardo Purchased a Microwave Oven from an Electronics Store

Salvatore Accardo purchased a microwave oven from an electronics store. The oven was manufactured by Micro Electronics from components supplied by other companies. Salvatore plugged it in, popped in a pizza to reheat, and the microwave exploded. It seems likely that the cause was a defect in the wiring, which was manufactured by a company called Wires Inc. Salvatore sues Micro. Which of the following is TRUE?

A) Once Salvatore shows that the microwave exploded, there would be at least an evidentiary burden on Micro to show that its negligence was not the cause.
B) Micro is liable to Salvatore for Wire's negligence, although it could claim indemnity from Wires
C) If Wires is joined as a party to this action, it cannot be held liable to Salvatore.
D) Both A and B
E) All of the above