Answer:
A. Position the animal on the X-ray table.
Step-by-step explanation:
The person who takes a radiograph is the veterinary technician, that means the assistant won't the equipment to take the radiograph.
Basically, a veterinary assistant job is to do little things, they won't diagnose or do anything directly related.
So, in this case, the assistant would just position the animal on the x-ray table. Therefore, the right answer is A.