Final answer:
An oblique rectangular prism with a square base is called a Rectangular Pyramid.
So, the option D is the correct answer
Step-by-step explanation:
An oblique rectangular prism with a square base is called a Rectangular Pyramid (Formulas and Definitions for the Rectangular Pyramid The apex, or highest point of a pyramid, is located at the top of the base. A right pyramid or an oblique pyramid can be formed from a rectangular pyramid). It is a three-dimensional shape that has a square base and triangular faces that meet at a common vertex.
So, the option D is the correct answer