Correct option is A
Solution:
The correct answer is:
A. Octagon
An octagon is not a type of quadrilateral; it is an eight-sided polygon.
On the other hand:
B. Trapezoid is a quadrilateral with at least one pair of parallel sides.
C. Kite is a quadrilateral with two distinct pairs of adjacent sides that are equal.
D. Rhombus is a quadrilateral with all sides equal, and opposite angles equal.