I believe that is is 2. That he is very proud.
It keeps them on edge, and makes them cave into whatever you are persuading them to do/say/buy etc.
The correct answer is a.you always you a coma for a sentence like that
Answer: d. In front of Mr. Chips
Explanation:
This is based on the film, Goodbye, Mr. Chips, about a teacher who is initially disliked but respected by his students due to the strict discipline he imposes in his class. After meeting his wife however, he changes and becomes a nicer teacher.
In the movie, Mr. Chip's class was being disrupted by unruly students but due to the strict discipline imposed by Mr. Chips, they were well behaved in front of Mr. Chips.
I think the answer is critical reviews, analysis and your own feelings... I’m not sure though.