The decreasing order of reactivity of `m-`nitrobromobenzene (I0, 2, 4, 6-trinitrobromo-benzene (II), `p-`nitrobromobenzene (III), and 2,4-dinitrobromobenzene (IV), towards `OH^(-)` ions is:
A. `I gt II gt III gt IV`
B. `II gt IV gt III gt I`
C. `IV gt II gt III gt I`
D. `II gt IV gt I gt III`