Which statement about the "shoppability" of healthcare would the council of economic advisers agree with

A. more than 90% of healthcare occurs in situations where the patient is not in a position to shop among providers

B. Based on some research studies, it is reasonable to conclude that the majority of healthcare spending is potentially shoppable

C. Research consistently shows that when given the tools to compare prices on services such as MRI exams, a high percentage of consumers will use those tools

D. Increasing concentration in the healthcare market is making comparison shopping easier