What is the contrapositive of the statement “If a quadrilateral has four congruent sides, then it is a rhombus”?
A. If a quadrilateral is a rhombus, then it has four congruent sides.
B. If a quadrilateral is not a rhombus, then it does not have four congruent sides.
C. If a quadrilateral does not have four congruent sides, then it is not a rhombus.
D. If a quadrilateral has four congruent sides, then it is not a rhombus.