51. What were things like in 1980s when accidents happened?

　　[A] Customers might be relieved of their disasters through lawsuits.

　　[B] Injured customers could expect protection from the legal system.

　　[C] Companies would avoid being sued by providing new warnings.

　　[D] Juries tended to find fault with the compensations companies promised.

　　52. Manufacturers as mentioned in the passage tend to__

　　[A] satisfy customers by writing long warnings on products

　　[B] become honest in describing the inadequacies of their products

　　[C] make the best use of labels to avoid legal liability

　　[D] feel obliged to view customers’ safety as their first concern

　　53. The case of Schutt helmet demonstrated that__

　　[A] some injury claims were no longer supported by law

　　[B] helmets were not designed to prevent injuries

　　[C] product labels would eventually be discarded

　　[D] some sports games might lose popularity with athletes

　　54. The author’s attitude towards the issue seems to be__

　　[A] biased

　　[B] indifferent

　　[C] puzzling