Option 4, 'a quote from a customer describing how much their electric bill was lowered,' best supports evidence that solar panels save money. You are using a first hand source to prove to the audience that solar panels save money.
D. would be the best answer because (If your doing this quiz on Time4Learning) In my notes it says that Hemigway's father taught him to fish and Hemingway grew to love fishing. If Im incorrect I apologize.