Answer:
it shows that the character doesn't want others to see how they are really feeling, this could be an act of foreshadowing meaning that later on they do end up showing their true feelings
The best answer to the question that is being stated above would be the third sentence. The meaning of 'take up' in the excerpt would be best described with the definition of 'to occupy time, space, or the attention of someone'. The mayor is asking to pay attention to grammar -which led him to be cautious of it.