It can be inferred from the passage that since the...

Câu hỏi: It can be inferred from the passage that since the 20th century______.

A schools and universities have not taught classical literature, philosophy, and history

B classical literature, philosophy, and history have been considered as core subjects

C classical literature, philosophy, and history have not been taught as compulsory subjects

D all schools and universities have taught classical literature, philosophy, and history