Can someone please help me thank you

Simple steps can reduce the likelihood of spreading or catching an infectious illness.

Explanation: The three details seem to tell ways on how to prevent catching an illness. Since the answer "Simple steps can reduce the likelihood of spreading or catching an infectious illness" best fits the details, you can choose that answer. Even if you still don't understand, the other options focus on 2 out of the 3 details instead of looking at the bigger picture.