by putting his head down of it
A participle, a gerund, or an infinitive May be used as a noun substitute. The infinitive functions either as an adjective or as a noun.
Tense tones are usually used.
Answer: She is worried about the well-being of her son among an angry group
Explanation:
Sally's point of view told by the excerpt is that "she is worried about the well-being of her son among an angry group".
This can be deduced when she spoke in a whisper, after she noticed how angry and antagonised the crowd was when she told her son not to speak the way he was speaking.
D is the correct answer here.