TOEFL Listening: ETS-TOEFL听力机经 - DY84VF178336ISO5P$

What opinion does the professor express regarding the Grants' research? A. It exposed a flaw in Darwin's methods but did not invalidate his overall theory. B. It was as important for its innovative methods as for its actual finding. C. It confirmed the findings of researchers working at the same time on other islands. D. It was more thorough than any other researchers' work on Darwin finches.