Select the correct answer. Which best summarizes these paragraphs?
A.
Dr. Percy Spencer invented the microwave oven after he discovered that a magnetron could heat food.
B.
A scientist named Dr. Percy Spencer tried different experiments using a magnetron, and he discovered that it would pop popcorn.
C.
Dr. Percy Spencer placed popcorn kernels near a magnetron and turned it on. The popcorn jumped and popped into the air and all over the floor.
D.
Dr. Percy Spencer was a curious man who, in 1946, invented the magnetron.