It means that even it everyone is doing something wrong, it is not right. It is referring to peer pressure, don't do something just because everyone else it doing it.
Answer:
B. The patient will immediately spike a fever, followed by fits of chills and sweats.
Explanation:
The sentences follow a structure that start with a time period and follow with a happening. This is the case here in option B. The time period is when "<em>the patient will immediately spike a fever"</em>. What happens is that it will be <em>"followed by fits of chills and sweats"</em>. Also, this is the only option that is divided in two by a comma, which happens in all sentences os the excerpt.
Grendel is shown as a monster as he was exultant; highly elated about the presence of the kinsmen he wanted to devour.