What is the volume of 7.1 g of chlorine $(Cl=35.5)$ at S.T.P.

Question

$\begin{array}{1 1} (a)\;2.24\; litres \\ (b)\;22.4\; litres \\ (c)\;0.24\; litres \\ (d)\;2.24\; millilitres \end{array}$