4、 In the seventeenth century, direct flouting of a generally accepted system of values was regarded as______, even as a
sign of madness.
(A) adventurous
(B) frivolous
(C) willful
(D) impermissible
(E) irrational
(F)absurd
搜到这道题原来没有F的,现在变成双选了,不知道为什么不能选AE