Answer:
Option A. Cylinder.
Option D. Cube
Explanation:
In this question we have to tell that which are the figures have parallel bases.
Cylinder: Cylinder has two parallel congruent circular bases at the top and at the bottom.
Circle : It's a two dimensional structure and doesn't has any top or bottom.
Cone : It has only one circular bottom.
Pyramid : Pyramids have only one base circular or rectangular.
Cube : Cube is a three dimensional figure having minimum two congruent sides parallel to each other.
Therefore Option A. Cylinder and Option D. Cube are the answers.