The answer is B) It suggest a tone of worry. The reason is because the phrase "knitting their cheeks" means the that the llamas were moving their jaws. This along with the fact that they were contemplating the writer suggests that the llamas are unsure of the writer.
I think there are two answers the first answer is: Being disorganized and second answer is: not supported by facts
Listen to their viewpoint and after give feedback on your opinion (respectfully of course)
