Answer: d. In front of Mr. Chips
Step-by-step 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.