The subject of a sentence refers to the person or thing that performs the action of the verb in the predicate, which involves a verb and expresses something about the subject. In that respect, the subject <em>The whole class</em> accomplishes the action included in the predicate, which is that it <em>laughed loudly at the story</em>.
In Mary Shelley's Frankenstein, characters must reckon with the conflict between personal glory and human connection. Through the story of an alienated monster and his ambitious creator, Shelley raises themes such as familial loss, the search for belonging, and the cost of ambition. Other characters serve to reinforce the importance of community.