The comma should go after again, so the answer is D
The answer is d, Mrs Reed walks in on Jane reacting to abuse from Master Reed but gets into trouble due to it being unladylike, especially in comparison to the context of the novel
C. whos teaches biology II at zemble virtual high school
D, But I must get to work
The words suggest that the writer is being frustrated by circumstances and might not be able to go to work--a possibility which is creating anxiety.