Andrew Carlson is a patient of Dr. Soto's at the Clearview Wellness Center. Andrew recently went camping with his friends in a remote wooded area. He was bit on the upper arm by an unidentified insect, and is now experiencing pain and tenderness of the involved skin. Andrew has complained of a headache for the past three days. As the clinical medical assistant takes Andrew's vital signs, she notices that the area is swollen and there are red streaks traveling down his arm from the affected area. Based on Andrew's symptoms, you would suspect __________ to be the physician's diagnosis.
A. carbuncles
B. lupus
C. cellulitis
D. folliculitis