some scientists are dubious of the claim that organisms___ with age as an inevitable outcome of living.选项有,A.depress B.d
问题描述：
some scientists are dubious of the claim that organisms___ with age as an inevitable outcome of living.选项有,A.depress B.default C.deteriorate D.degrade
答
答案应该选择degrade,指的是“（功能）降低、退化”
C选项的意思是"变质、恶化",程度有点过分了,因为每个人的器官都可能因为年纪而变老、功能衰退,但并不一定会“变坏“吧,因此deteriorate的程度有些过分了.