MrA and Mr

Multiple Choice

Mr.A and Mr.B are both riding in a "quiet" section of a commuter train.Mr.A is making a lot of noise by texting with his smartphone,so Mr.B politely asks him to mute the sound.When Mr.A responds with an angry tirade,Mr.B repeats his polite request,and Mr.A complies.This most clearly shows that​

A) ​conflict is necessary and may not always be a bad thing.
B) conflict isn't always stressful.​
C) conflict can be managed if you have learned the right skills.​
D) difficult people are hard to talk to.​