The probability of India winning a test match against West-Indies is $1/2$ assuming independence from match to match. The probability that in a match series India's second win occurs at the test is :

Question

( A ) $\frac{1}{2}$
( B ) $\frac{2}{3}$
( C ) $\frac{1}{4}$
( D ) $\frac{1}{8}$