以下两道题是选对了，还是错了？错的话，给正确答案，求原因？

以下两道题是选对了，还是错了？错的话，给正确答案，求原因？
Many men tend to to their wives things that are not of concern to them, for example,non-crucial decisions.
A.relegate B.delegate C.demote D.dispath
这道题是不是选A？
Numerous illnesses that were once difficult to detect may now be diagnosed through blood test.
A.perfunctory B.tedious C.inconvenient D.grueling
这道题是不是选A？