The correct option is C Virtual image
Real Images are images which can be obtained on the screen. They are formed when light rays after getting reflected from a mirror actually meet at a point.
A real image is inverted with respect to the object.
Virtual Images are images which can be only be seen in a mirror bur cannot be obtained on the screen. They are formed when light rays after getting reflected from a mirror appear to meet at a point. A virtual image is erect with respect to the object.
Thus, real and inverted image can be obtained on the screen. Also, depending upon the optical instrument used, the real and inverted image can be enlarged or diminished implying that real, inverted and enlarged images are obtainable on screen.
Hence, the correct answer is OPTION C.