The author is using a hyperbole in this exert.
Answer:
Revised (active voice): Superintendent assumed that the trip had been postponed until the next Thursday.
Revised (active voice): By the 15th of every month, the completed form should be submitted to Tim Hagen.
Revised (active voice): The fluid should be allowed to dry for eight to ten seconds after being applied sparingly.
Revised (active voice): Researches defined the metropolitan area as the countries related by communiting patterns.
I believe it may be c,because interior monologue is a character's inner thoughts.
Netiquette refers to the proper or appropriate way of using the internet.
It means that users should respect the rights of others on discussion boards and extend common courtesy.