Read the following sentence from the text.
But sometimes, when her husband was at the office, she sat down near the window, and she thought of that gay evening of long ago, of that ball where she had been so beautiful and so feted…

What effect does this reflection have on the passage?
A. It emphasizes that Mathilda still feels resentful toward her husband.
B. It shows that Mathilda engrossed herself in a secret, imaginary world.
C. It illustrates that Mathilda still holds dear the notion of a privileged life
D. It demonstrates that Mathilda is able to remember details from long ago.