Which sentence should be removed to improve this summary?
A. In act 1, twenty-year-old Annie Sullivan is preparing to leave her school and become a teacher herself.
B She is bidding farewell to Anagnos, her mentor, and to many young girls who have been her students and friends.
C The action slows when Annie and Anagnos have a discussion, and the play becomes boring.
D Then Anagnos and the girls present her with gifts, and she is appreciative and sentimental.