Final answer:
Actinomyces, a filamentous acid-fast branching rod, can cause upper respiratory symptoms.
Step-by-step explanation:
Among the options given, the correct answer is (C) Actinomyces. Actinomyces is a filamentous, acid-fast, branching rod that can cause several upper respiratory symptoms. It forms granules in the infected tissue, leading to the formation of abscesses and a sinus tract formation. Actinomyces infections can occur in the lungs, jaw, and other areas of the body.