Which one of the following expressions is the simplest form of#frac{4(tq+t)+2(3q-2tq)}{2(t+q)+2q}#A. #frac{2t+3q}{t+2q}#B.#frac{2tq+4t+3q}{t+3q}#C.#frac{2tq+t+6q}{2t+3q}#D.#frac{2t+3q}{t+3q}#