Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) A consumer's buying decisions do not indicate anything about her tastes and preferences.
B) A consumer's demand for a good determines the price of the good in a perfectly competitive market.
C) The relative prices of goods do not affect a consumer's buying decision.
D) A consumer in a perfectly competitive market buys only a tiny fraction of the total amount produced.