Number 4 is the paragraph to answer the questions below

C) Young people are careless and indifferent about how best to avoid catching the virus.

Explanation:

The word "cavalier" which is used is defined as "showing a lack of proper concern." This would relate to the idea that yound people are careless and unconcerned about the virus, which is what the author is trying to claim in the paragraph.

if you don't mind posting the paragraph so i could read it that would a lot. (;

they should gives us more chances to make friend and do stupid things