Answer:
C. Underpromising
Explanation:
Based on the information provided within the question it can be said that the most likely trap that Lupebel fell into is Underpromising. This is the act of promising less than what you are expecting on doing or providing. This is what Lupebel is doing, since she is providing excellent quality products at low prices but is not stating these qualities in her advertising in order to set themselves apart from the competition.
