Answer:
Although the Soviet team dominated the second period, the Americans scored twice in the last period, so the Americans finally took the lead.
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.
So what exactly is the question?
Answer:
C. Irony
Explanation:
According to the given sentence, the author talks about people thinking they are liberated because they can take their phone anywhere.
This statement brings a sense of irony because the speaker clearly believes that people are not liberated because they are in fact imprisoned by their attachment/addiction to their mobile phone.
Irony is defined as a situation where events are contrary to what one expects and can be amusing.