Evaluate the integral I = ∫ (3x + 3) / ((x + 2)(x - 1)) dx.
A. I = -ln|x + 2| + 2ln|x - 1| + c, where c is a constant.
B. I = -ln|x + 2| - 2ln|x - 1| + c, where c is a constant.
C. I = ln|x + 3| + 2ln|x - 2| + c, where c is a constant.
D. I = ln|x + 2| - 2ln|x - 1| + c, where c is a constant.
E. I = ln|x + 2| + 2ln|x - 1| + c, where c is a constant.