Respuesta :
Answer:
D. Virus
Explanation:
based on this website: https://www.hopkinsmedicine.org/health/conditions-and-diseases/common-cold#:~:text=What%20causes%20the%20common%20cold,the%20rhinoviruses%20causes%20most%20colds.
Common colds are caused by various kinds of viruses. Rhinoviruses cause most colds.
D. Virus
The common cold is a viral infectious disease that affects the upper respiratory system.
The common cold is a viral infectious disease that affects the upper respiratory system.