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:Boyan's invention works bye trapping the plastic waste moving into rivers before it reaches high seas. It's a system that floats and catches ocean waste.
