Rin overbalanced and fell , her arms flinging wide in panic . Manji caught her and lifted her from her feet . He tossed her over his shoulder and carried her down the slope like a parcel , her head dangling down and her face smothered in the grubby , horsey - smelling vest . " Yeek ! " Rin gasped and kicked a little , but he seized her ankle and clamped his other hand over her upturned bottom .

Options are:
I. None of the above choices .
II. She might be clumsy but was able to go down the hill .
III. She might be clumsy , and the hill was too steep for her
IV. She might be clumsy , but the hill was still fine for her .
Q: Why might have Rin fell while trying to balance ?
III.