Answer: The correct answer is Option A.
Step-by-step explanation:
Concave lens is a type of spherical lens.
This lens is known as diverging lens which means that the light rays gets diverged after refraction.
The nature of the image formed by these lens is that they will be virtual, size of the image will be less than the object and the image formed will be upright.
Hence, from the above information, we conclude that the right answer is option A.