Passage C: Questions 26-30        Coffee drinkers can rejoice. Another two studies have shown that coffee can __26__ lifespans. These two separate studies, conducted by scientists on different continents, __27__ hundreds of thousands of people of different ethnicities over many years. Scientists aren't sure whatit is in coffee that is so __28__ "It's a complex concoction," said Peter Adams, a professor atSanford Burnham Prebys Medical Discovery Institute.        The American study found that drinking__29__one cup of coffee daily lowered the risk ofdeath from heart disease, cancer, stroke, diabetes, respiratory and kidney disease by 12 per cent. Drinking three cups a day increased the __30__to 18 per cent. The European study thatfollowed 520,000 adults from 10 European countries found similar statistics of lower death risksfrom ailments that included digestive, circulatory and liver diseases.
【題組】26.
(A) induce
(B) prorate
(C) prolong
(D) filter