A cube and a right square pyramid are sitting on a flat surface. Which of the following statements are true?

It is possible to slice . . .
a triangular cross-section from the cube.

A. a trapezoidal cross section from the pyramid.
B. a rectangular cross section (not a square) from the pyramid.
C. a hexagonal cross section from the cube.
D. a square cross section from the pyramid.
E. a hexagonal cross section from both the pyramid and the cube.
D. a square cross section from both the pyramid and the cube.