If the height of a cylinder becomes the original height and radius is doubled then which of the following be true ?

Question

$\begin{array}{1 1} \text{Volume of the cylinder will be doubled } \\\text{Volume of the cylinder will remain unchanged} \\ \text{Volume of the cylinder will be halved} \\ \text{Volume of the cylinder will be 1/4 of the original volume } \end{array} $