B is mostly likely to cause suspense because the door is closed to show tension and the author comments that the 'clock is ticking down the last 60 seconds' and 'Hannah's heart beat faster as she attempted to scribble in answers' which shows her rushing to beat the clock.
Answer:
compare and contrast: likewise
Cause and effect: for this reason
Description: for example
Problem and solution: to solve this
chronological order: first
Explanation: