The author of the passage refers to James Weldon Johnson's Autobiography of an Ex-Colored Man most probably in order to A. point out affinities between Rosenblatt's method of thematic analysis and earlier criticism B. clarify the point about expressionistic style made earlier in the passage C. qualify the assessment of Rosenblatt's book made in the first paragraph of the passage D. illustrate the affinities among Black novels disclosed by Rosenblatt's literary analysis E. give a specific example of one of the accomplishments of Rosenblatt's work