Final answer:
The question asks about a dialogue from a literary work where Professor Plum questions Mr. Boddy's decision to make others do his dirty work instead of doing it himself.
Step-by-step explanation:
The question is about a dialogue from a literary work, specifically a play or novel. The dialogue involves Professor Plum questioning Mr. Boddy's decision to make others do his dirty work instead of doing it himself.
This can be inferred from Professor Plum's statement, 'But why make us do it Mr. Boddy?! Why don't you do your dirty work yourself?'
In this scene, Professor Plum is expressing his disbelief and questioning Mr. Boddy's actions. The correct answer is b) Professor Plum questions Mr. Boddy.