$\text{Statement-1:Addition of }Br_2\text{ to 1-butene gives two optical isomers}\\\text{Statement-2:The product contains one asymmetric carbon}$

Question

$\begin{array}{1 1}(a)\;\text{Statement-1 is true;Statement-2 is true;Statement-2 is a correct explanation for statement-1}\\(b)\; \text{Statement-1 is true;Statement-2 is true;Statement-2 is not a correct explanation for statement-1}\\(c)\;\text{Statement-1 is true;Statement-2 is false}\\(d)\;\text{Statement-1 is false;Statement-2 is true}\end{array}$