I would say B. I say this because they do provide a point and they provide info to back up their point.
Answer:
hospitality, loyalty, and vengeance
There are 3 pick what you like most
Biting your thumb was,
B. An insult
This is an infinitive - to + bare infinitive. It is not an adverb as they usually end in -ly. (He drives dangerously). It is not a gerund as it ends with -ing (Reading is fun). It is not a participle because there are several kinds of participle: 1. present - Lying on her bed, she was thinking about him. 2. past - The books were on the table, covered in binders. 3. perfect - Having finished her homework, she went outside. So naturally, infinitive is the only choice.
The sentence that serves as the hook in this introductory paragraph is B. For the first time in decades, Baby Boomers have been outnumbered by another. In essay writing, 'hook' is the part of essay that grabs readers' attention. In other words, it is the most significant sentence of the whole introduction of your writing. The 'hook' is usually put in the first or the second sentence of the introduction. This sentence contain information that creates sort of suspense, and its catchy structure is defined as 'hook'.