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 was a curious man who, in 1946, invented the magnetron
D) 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 o