Option A. A rectangular prism and a cylinder is the correct option.
Explanation:
First option is true as the vertical cross sections of both rectangular prism and cylinder are rectangles.
Second option is false (The vertical cross section through the base of a rectangular prism is a rectangle)
Third option is false (The vertical cross section through the base of a cone is a triangle)
Fourth option is false (The vertical cross section through the base of a pyramid is a triangle)
