Which of the Following Describes What Artists Working in the Post-Painterly

Which of the following describes what artists working in the Post-Painterly Abstractionist style believed?

A) Abstract Expressionists had gone too far in removing social references from works of art.
B) Their works should contain no reference to the world outside their own compositions.
C) They wanted to express religious feelings through simple forms.
D) They were deeply influenced by the work of African and pre-Columbian cultures.