UKMT Intermediate Mathematical Challenge, 2012

Which of the following has a value that is closest to 0?

(A) $\dfrac{1}{2} + \dfrac{1}{3} \times \dfrac{1}{4}$ (B) $\dfrac{1}{2} + \dfrac{1}{3} \div \dfrac{1}{4}$ (C) $\dfrac{1}{2} \times \dfrac{1}{3} \div \dfrac{1}{4}$ (D) $\dfrac{1}{2} - \dfrac{1}{3} \div \dfrac{1}{4}$ (E) $\dfrac{1}{2} - \dfrac{1}{3} \times \dfrac{1}{4}$