In Regard to Vittorino Da Feltre, Which of the Following

In regard to Vittorino da Feltre, which of the following is true?

A) He studied Greek and used the term Gymnasium to establish a venue where training of the body in the form of physical education could take place.
B) He could do everything that he taught, from reading ancient Latin and Greek to teaching the "arts".
C) He believed that the body had to be disciplined and educated.
D) He believed in the value of the "liberal arts" to liberate the educated person from the chains of ignorance and prejudice
E) All of the above.