Answer:
a. Anxious
Step-by-step explanation:
The tone is the author's attitude to a character or topic. In the case of this question, the tone is the way the author feels towards the court case. Tapping feet and sitting on the edge of a chair are common indications of anxiety. It is clear from the writing that the characters are impatiently waiting for the verdict. They all want to know so bad that it is causing anxiety. As the audience reads the passage, they too feel some of the author's and characters' anxiety. The clear and strong tone helps better establish the mood and the author's purpose.