Which of the following is not a stage of Knapp and Vangelisti's model of relational deterioration?

Rhetors should address controversial topics during eulogies

Indicate whether the statement is true or false

A speaker says, "We must change to the metric system or we will fall behind the rest of the world in science and industry." This speaker is guilty of using which kind of fallacy in reasoning?

A. induction B. either-or reasoning C. straw man D. attack on a person