Can indifference curves ever cross? In consumer theory:A. indifference curves cannot cross because utility cannot be directly measured in units such as 'utils'. B. indifference curves can cross because consumer preferences are assumed to be consistent. C. indifference curves cannot cross because they are convex. D. indifference curves cannot cross because consumers are assumed to always prefer more of a good to less. E. indifference curves cannot cross because this would violate the assumption of transitivity.