In what sense are modern universities similar to the Agora of ancient Athens?

ALike the Agora, modern universities provide a place for scholars to share their knowledge with students.

BLike the Agora, modern universities provide a formal system of education.

CLike the Agora, modern universities provide a place for young adults to live.

DLike the Agora, modern universities provide a place for people to learn how laws are made and followed.