47. According to the article, what does Atul Gawande’s book propose to deal with the problem of the increasing complexity of modern medical care?
(A) He suggests that all doctors should undergo further medical trainings.
(B) He argues for the application of the knowledge in the field of medicine to aviation.
(C) He argues that architects should learn how to conduct simple operations on passengers in case of emergency.
(D) He proposes to use checklists to remind doctors to apply the knowledge they have correctly and consistently.