The Sun's angular diameter is measured to be 1920". The distance D of the Sun from the Earth is $ 1.496 \times 10^{11} m$. What is the diameter of the Sun?

Question

$\begin {array} {1 1} (A)\;1.39 \times 10^9m & \quad (B)\;13.9 \times 10^9m \\ (C)\;1.39 \times 10^5m & \quad (D)\;13.9 \times 10^5m \end {array}$