Answer:
children were called by the teacher
Lol where’s the rest of the question
The foot-in-the-door method is basically a psychological method where you ask for a small request first, then a bigger one later. So I think it's A, just because the others don't work. B is just straight up asking for a big favor, C is providing you with the "must-do" effect, and D is simply a favor for a favor.
Answer:
how to use an angry voice but my mother
Explanation:
I would use this because she's overwhelmed so she would probably be kind of mad and is overwhelmed and when people are overwhelmed I tend to get angry