The correct option is D 22
Sympathetic ganglia are the ganglia of the sympathetic nervous system. It's function is to deliver information to the body about stress and when the body is in danger, and are responsible for the fight-or-flight response. There are usually 21-23 pairs of these ganglia are present that is, 3 in the cervical region, 11 in the thoracic region, 4 in the lumbar region and 4-5 in the sacral region.
So, the correct answer is option C.