A pyramid and a cone are both 12 centimeters tall and have the same volume. What statement must be true about the two solids?

A. The horizontal cross-sections of the prisms at the same height
must have the same area.
B. The cross-sections of the prisms are the same shape.
C. The area of the cross-sections of the prisms are multiples of each
other.
D. The vertical cross-sections of the prisms at the same width must
have the same area.