37. What can be inferred about taking painkillers from Paragraph 2?
A、It leads to addiction in a short period of time.
B、It builds up the tolerance to pain.
C、It becomes less effective over time.
D、It cures stomach and liver diseases slowly.
Directions:There are 15 incomplete sentences in this section. For each sentence there are four choices marked A, B, C and D. Choose one answer that best completes the sentenceand blacken the corresponding letter on the Answer Sheet.6–-Did you find the film boring?一-Not at all. It was _____