(HELP PLEASE) The Converse of the Pythagorean Theorem states that: (chose one)

A. if a2+b2=c2, then the triangle is a right triangle.
B. if a2+b2=c2, then the triangle is not a right triangle.
C. if the triangle is not a right triangle, then a2+b2≠c2.
D. if the triangle is a right triangle, then a2+b2=c2