A
Real images can be obtained on a screen, whereas virtual images cannot be obtained on the screen.
B
Virtual images can be obtained on a screen, while real images cannot be obtained on a screen.
C
Virtual images are formed only in refraction not in reflection, while real images can be formed in both reflection and refraction.
D
Virtual images are formed only in reflection, while real images are only formed in refraction.
Correct option is A)