Based on the paragraph, the underlying emotion that is described is Lara's nervousness. There are many phrases that pinpointed to this emotion, and these are as follows: hesitated, sweaty, downcast eyes, shuffled, timidly. These speak of a person that is uncertain or afraid.
She cannot be excited because of the word "timidly" which is the exact opposite of excitement.
She cannot be disappointed because it seems that it is just the first time for her to be in the class thus she does not have any expectations yet.
Compassion is simply out of context in this paragraph.
The main idea of the passage as a whole is C
all of the above
all of these are the main purpose of outlining a presentation, because "hanging" details can help draw the audience attention to your work, and thus supports option b, but this also apploes to the audience, both the audience and presenter can focus on the elements of the presentation that are the most important, and it makes it easier to develop multi-media slides because an outline needs to be organized.
