Probably not there are a lot of people that do weird things
I would say A), inform the reader about stage adaptations of shakepeare's characters. The author is informing, not persuading.
Virus is the simple subject because the subject is whatever is before the verb
and in this case....'is" is the verb
The primary conflict in the Colomber by Dino Buzzati was when Stefano wanted to be a sea captain but cannot because of a belief that those who saw Colomber is doomed to death