I have to say this, but this coat you’ve just bought is made of ________ fur; it is not real mink.
句意：不得不说，你买的这件大衣是人造皮做的，而不是真皮。coarse粗糙的。genuine真正的，真挚的。slippery滑的；狡猾的。counterfeit仿造的，假冒的。因此，本题的正确答案为D。