37. According to this passage, which of the following statements is true?
(A) The annual sale is the time for one to buy whatone needs at the lowest price.
(B) Things are sold at different prices at different stores, so it’s worthwhile to look around for thebest buys.
(C) There are a variety of ways one can adopt to save money.
(D) Of all the recommended ways of saving money, one can save the most by unplugging electrical appliances when theyare not in use.