Answer: Option C.
Step-by-step explanation:
The tonsils are defined as a pair of soft tissue masses which are present at pharynx.
Tonsils are made up of tissue lymph nodes having a covering of mucosa.
The tonsils being a part lymphatic system plays very important role to fight infections and provide protection against any bacteria.
Tonsils reacts in a very different manner when comes in contact of infection or bacteria that is by changing its size and get swell.
Infection of tonsils is called tonsillitis and are the first line of defense by the body in response to external pathogens. Symptoms of tonsillitis involves sore throat , red and swollen tonsils, and high temperature. Diagnosis include prescription by doctor with a general examination.
Hence, the correct option option is C.