To determine which response best supports the main idea based on the content of paragraph 6, we need to consider what the main idea is. If the main idea relates to how diseases like Coronavirus emerge from animals to humans (spillover events) and the role of viruses in this process, then the option that best aligns with this idea is:
C It focuses on the fact that when a disease transfers from animals to humans, it’s a spillover.
This choice directly addresses the main concept of disease transmission from animals to humans and provides clarity on what a spillover event is, which is central to understanding the emergence of diseases like Coronavirus.