Which of the Following Situations Would Not Be Deceptive Under

Which of the following situations would not be deceptive under Section 5 of the Federal Trade Commission Act?

A) A shaving cream manufacturer uses Plexiglas covered with sand to represent sandpaper in demonstrating its product,without disclosing that the Plexiglas is not sandpaper.
B) An ice cream manufacturer uses scoops of mashed potatoes to represent ice cream in its commercials,because ice cream melts too fast.
C) An ice cream manufacturer uses scoops of mashed potatoes to represent ice cream in its commercials,and then shows a close-up of the potatoes and mentions how rich the ice cream looks.
D) A mouthwash manufacturer states that its product helps prevent colds,but there is not evidence to support this.