Answer:
lettuce farm
economical challenges
she might not be able to concentrate
The answer is variant B verb because it exprime an action made by the subject.
The visual aid which would best engage the audience's emotions is the following one:
B. A short clip from an episode of a classic television show.
Since we are talking about a <em>classic</em> television show, people are likely to be familiar with it and it must have been, at some point, part of their lives as a source of entertainment and also as something they related to somehow. Due to the fact they have already watched it and probably know the characters well, it has certainly triggered their emotions throughout their lives, in different stages of it. Watching a short clip of the classic TV show can surely engage the audience's emotions, whether by making them laugh or by reminding them of some personal event, perhaps leading them into a feeling of nostalgia.
