In fact, ( 5 ), we are extremely sensitive to smells, even if we do not generally realize it.A.anywayB.thoughC.insteadD.therefore大意:尽管如此,事实上我们对气味是极其敏感的,即使我们一般意识不到。答案选B,though,说是有承接上文表转折的意思,但是我觉得instead相反也有转折的意思啊,求助!!