Answer: Allusion
Explanation: An allusion is a literary device used to reference another object outside of the work of literature. The object can be a real or fictional person, event, quote, or other work of artistic expression.
A.
This statement operates under the assumption that whoever is reading it respects and follows the trends set by the majority of people. While this percentage could mean that just a few households (depending on how many were surveyed) actually said that they prefer Glisten toothpaste, the reader is supposed to see 90 percent, and feel that if 90 percent of people are using and liking Glisten, they should try it too.
Modest means NOT extravagant. So the answer is C. normal working class home/family