English
Which of the following best combines sentences 9 and 10?Other scientists are skeptical. They say that it is not possible to prove that animals feel emotion using anystandard, controlled scientific methods.A. Although they say that it is not possible to prove that animals feel emotion using any standard, controlledscientific methods, other scientists are skepticalB. Other scientists are skeptical; moreover, they say that it is not possible to prove that animals feel emotionusing any standard, controlled scientific methods.C. Other scientists are skeptical, saying that it is not possible to prove that animals feel emotion using anystandard, controlled scientific methods.D. It is not possible to prove that animals feel emotion using any standard, controlled scientific methods, somescientists say, although they are, admittedly, skeptical