B
Advertisement: Most nutritionists recommend eating fish twice a week. Eating tilapia fillets is a perfect choice for those who want the benefits of eating fish but do not care for the taste of fish. Tilapia fillets lack the . strong fishy taste that many people find objectionable. Which one of the following, if true, most seriously weakens the advertisement's argument?
A: Eating more than the recommended amount of fish can cause toxins that are present in high concentrations in many varieties of fish to accumulate m a person's body.
B: Tilapia fillets contain little of the beneficial fish oils that are the main reason nutritionists recommend eating fish frequently.
C: Most people who do not care for the taste of fish eat less fish than is recommended by most nutntiomsts.
D: People who rarely or never eat fish usually dislike any food with a strong fishy taste.