Question

Sarah described the following situation:

When one patient with a common cold takes a medicine and the other patient does not take any medicine, the person who takes medicine recovers faster than the person who does not take medicine.

Which of the following best describes the situation?

A. This is an example of both correlation and causation.

B. This is an example of neither correlation or causation.

C. This is an example of correlation.

D. This is an example of causation.

Please help, will medal and fan