Professor: Economists argue that buying lottery tickets is an unwise use ... ...

Professor: Economists argue that buying lottery tickets is an unwise use of resources, because the average payoff for the tickets sold in a lottery is much lower than the cost of a ticket. But this reasoning is faulty. The average amount paid out on individual insurance policies is much lower than the average cost of a policy, yet nobody would argue that purchasing insurance is an unwise use of resources. Which one of the following, if true, most weakens the professor’s argument?
(A) Individuals spend, on average, much more on insurance than on lottery tickets.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2013 LSAT (PT69): Logical Reasoning B