DIRECTIONS for question: In each of the questions, four different ways of presenting an idea are given. Choose the one that conforms most closely to Standard English usage.
A. We are forced to fall back on fatalism as an explanation of irrational events.
B. We are forced to falling back on the fatalism as an explanation of irrational events.
C. We are forced to fall back on fatalism as explanations of irrational events.
D. We are forced to fall back to fatalism as an explanation of irrational events.