C. "He was a brilliant talker"; D. "a way of whisking his tail which was somehow very persuasive"; E. "he could turn black into white." These specific details illustrate the central theme that a convincing speaker can instill belief in others, even in falsehoods.
“Millicent chooses to separate from the group” - Climax
“Millicent finishes the last step of her initiation while setting a new goal” - Falling Action
“Millicent prepares to face the sorority with her choice” - Resolution
“Millicent feels thrilled and proud for being elected” - Exposition
“Millicent starts to have doubts about the group, particularly Bev” - Rising Action
I hope this is useful.