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.
The action of the story concludes and the conflict is solved.
By because does any of the other answers work it’s just common sense right there
