25. Arrange the compounds below in an order of increasing basicity.
(A) ii＜ii＜i＜v＜iv
(B) i＜v＜ii＜iii＜iv
(C) i(D) i＜iv＜v＜ii＜iii
(E) iv＜i＜v＜ii＜iii

要解析這個題目，我們需要對基本性（bas...