Which statement is FALSE?
A) A trapezoid with only one pair of parallel sides does not have rotational symmetry.
B) The perpendicular bisector of the base of any trapezoid is always a line of symmetry.
C) The perpendicular bisector of the base of an isosceles trapezoid is always a line of symmetry.
D) An isosceles trapezoid with only one pair of parallel sides can have only one line of symmetry.
