27. Why does the author say "sometimes it seems surprising that science functions at all" in the first paragraph? (A) There exists a surprisingly large number of unexpected findings in published science research. (B) Medical science papers with provocative titles have shaken the credibility of science journals. (C) Findings from science research often lack potential for real-world applications. (D) Valuable findings are disproportionate to the large amount of resources devoted to science research. (E) A large number of findings in published science research are unreliable.