Answer:
The atagonest Ttthhhaaattt isss ttthhheee Ittt. Mrs. Which telling Meg, Charles Wallace, and Calvin about the It. IT, also known as Red while possessing him, is the main antagonist of the novel A Wrinkle in Time (the first installment to the Time Quintet series), and its 2003 and 2018 film adaptations.
Step-by-step explanation: