The correct options are
A It tends to express ideas of permanent or universal interest.
B It is a measure of the aesthetic excellence of society at the time.
C It refers to works of writing that have excellence of form or expression.
Literature may be understood as writings having excellence of form or expression, and expressing ideas of permanent or universal interest. They are a measure of the aesthetic excellence of society at the time. Our literary heritage is a window to ancient India’s rich, unique, diverse and still relevant works of great artistic merit.