Given below are four jumbled sentences. Select the option that gives their correct order.
A. But the rest of the students were rushing past her for a break, like she didn't exist.
B. She slowly pushed open the library door and took a seat at one of the tables in the corner.
C. And today, Jessica really felt like maybe she didn't exist.
D. When the bell rang for lunch, Jessica took her lunch box and started moving towards the library.