If A={x : x is a natural number},B={x : x is an even natural number},C={x : x is an odd natural number } and D={x : x is a prime number },Find (vi) $C\cap D$

Question

$\begin{array}{1 1}(A)\;\{1,2,3,4,5.....\}&(B)\;\{2,3,5,7.....\}\\(C)\;\{3,5,7,11,17......\}&(D)\;\{1,3,5,7....\}\end{array} $