21. The main purpose of the passage is to:

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

By discussing and comparing Lievens and Rembrandt, let readers have a clearer understanding of Lievens.

Item A: think that Lievens' art works are higher than Rembrandt's

Item C: Criticize the art world's late recognition of the artistic comparison between the two

Item D : It shows that the artistic training of the two is very different.