Which of the Following Statements Is FALSE Regarding Consumer Decisions

Which of the following statements is FALSE regarding consumer decisions and the consumer decision process?

A) The decision process model provides useful insight into all types of consumer purchases.
B) Consumer decisions are frequently the result of a single problem.
C) Consumer decisions are rational and functional; otherwise they do not involve decisions per se.
D) Some consumer decisions result from the convergence of several problems.
E) Once the decision process begins, it may evolve and become more complex with multiple goals.