Consider the quadratic equation ax^{2} + (2 - a)x - 2 = 0 where a ∈ R.

**If α, β are roots of the quadratic equation and if there are at least four negative integers between ****α**** and ****β****, then the complete set of values of a is**

(A) (-7/2, -3)

(B) (0, 1/2)

(C) (-3/2, -1/2)

(D) (7/2,3)