Answer: Option C
Step-by-step explanation:
Whenever there is any injury in any part of the body or there is any injury in the bones and there is a chance of the displacement of bone et cetera then bones should be splinted in order to leave it on its place.
The bones should not be displaced or moved before reaching to the doctor. In this case the knee of the footballer is flexed in an upward position and so it should not be touched or moved further.
It must be supported by two wooden plates and then moved to the hospital for proper assistance.