I think that C, that is, "they found the charge and trouble very great, and they had little or no crop it is not doubted", is your answer.
Understatement represents something as smaller or less intense than it reallly is, it presents it as less important. In sentence C, the speaker refers to a problem as a minor inconvinience "(...)trouble very great". Generarlly, we all know, that troubles are far from great. "They had little or no crop it is not doubted", you could change the focus and say that you have "some crop" instead of referring to the crop as being little.
The answer is: The film has Rainsford explain about the trap in his dialogue with his female companion.
This excerpt shows how Rainsford made a “Malay mancatcher” that is a tramp and get to wound the general with it, for this reason the general congratulates Rainsford, however, this part in the film adaptation this part of the story is explain in a dialog by Rainsford to her female companion.
“That’s what you do, but Papi’s not you”
Before he was confident about his ideas but when Michael says that, his look of uncertainty shows that he may need to give this another thought.
