Answer:
I’d say because he was so jittery, anxious, and well, he did murder someone. Hope this helps!
Explanation:
These are stage directions (A). As you probably know, The Importance of being Earnest is a play. This scene is not one that would be read out to the audience, it is what the audience would see on stage, ie stage directions. Since you are reading the play's script and cannot see the action on stage, stage directions have been provided for you in your text.
