Vitrano Gives an Example of Reading an Article About Metaphysics

Vitrano gives an example of reading an article about metaphysics to distract herself from the monotony of caring for her children. What is the point of that example?

A) She is not actively engaged in childcare, but that work is still meaningful.
B) She is not actively engaged in childcare, which means the metaphysics is more meaningful to her at that time.
C) Her motive is distraction, which means the metaphysics article is less worthwhile.
D) Her motive is distraction, but that doesn't mean the metaphysics article is not worthwhile.