<span>a current study on the effects of stress on the body published by a medical journal
This would be the best source because it is the most current, least subjective, and most reliable. Since it is not personal experience or reaction, but based on medical tests, it would be the most accurate. Also, textbooks can be outdated so since this is current, it would add to the accuracy. </span>
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>
Answer: it’s peace, because peace is mentioned a liy.
Explanation:
