[…] since now that he believed that he had fathomed the lawyer's design in sending him to that particular school to begin with […]. (8.18)
Charles Bon begins to piece together the extent to which he is a pawn in his mother's plan for revenge. With her lawyer, she has schemed to send Charles Bon to the same school as Henry Sutpen. At least this is how Quentin and Shreve imagine it. Do you think it's plausible?