In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limited their potential to relieve severe pain. A. which may limited their potential to relieve B. Which C. Which D. an effect that may limit their potential to relieve E. an effect that may limit the potential of such analgesics for relieving
正确:E 不是说在GMAT中表目的的情况下优先to do sth,而不是for doing sth的吗??