The answer is C. "the man's behavour led me to guess...upset in someone."
Sentences A and B describe the actions and manners, showing the man's behaviour and anxiety: casting quick glances, his foot beating on the hot pavement etc. appearing he could even explode with anger. At some point (C), <em>he changed and just got calm, wainting silently, leading the speaker to wonder if the cause of all this could be the bus' delay.</em>
In English, repeating words or phrases is referred to as anaphora. Anaphora is a rhetorical device in which sentences start with the same word or sequence of words. In the example given to us, anaphora is shown by the repetition of the word “hello.”
Rush
Difficulty
Steady
Holding
Engages
Blind
Provisional
Pursuit
So that is much easier for other people to understand the answer and easier to answer.
