JEE Main 2020 Mathematics question

Consider the statement : "For an integer n, if is even, then n is odd." The contrapositive statement of this statement is :

• (A)For an integer n, if is not even, then n is not odd.
• (B)For an integer n, if n is even, then is odd.Correct
• (C)For an integer n, if n is odd, then is even.
• (D)For an integer n, if n is even, then is even.