单选题Scientists hope to____soon&nbs

问题补充：

单选题Scientistshopeto____soonintheirfightagainstheartdisease.A.break upB.break outC.break throughD.break in

答案：

C解析考查动词词语辨析。句意：科学家们希望能尽快在应对心脏病方面有所突破。Break up“分解、打断”；break out“爆发、发生”；break through“突破”；break in“闯入、打断”；按照句意