The sentence in which the underlined infinitive phrase functions as a subject is the last one - to quickly move large groups of people is the purpose of public transportation.
<em>To quickly move </em>is the infinitive phrase, and it is a subject.
Answer:
The correct answer is "Don Quixote is an idealist and Sancho Panza is a realist".
Explanation:
In the famous novel "The Ingenious Gentleman Don Quixote of La Mancha" by Miguel de Cervantes, Don Quixote is portrayed as a man that avoids reality and prefers to see it as part of a knights novel, where he is the protagonist of glorious deeds. Don Quixote is a clear example of an idealist. On the other hand, Don Quixote's squire Sancho Panza, is a sarcastic man that function as a realist and helps his master to see the world as it is. For instance, Sancho Panza warned Don Quixote when he tried to fight "ferocious giants" that were in fact windmills.
