Read the excerpt from paragraphs 15 and 16.

(15) My last class in French!

(16) And I barely knew how to write! So I should never learn! I must stop short where I was! How angry I was with myself because of the time I had wasted, the lessons I had missed, running about after nests, or sliding on the Saar! My books, which only a moment before I thought so tiresome, so heavy to carry—my grammar, my sacred history—seemed to me now like old friends, from whom I should be terribly grieved to part.

How does the use of personification in the underlined words affect the meaning of the passage?

A.
It demonstrates Frantz's realization that books are more important than anything else.
B.
It suggests that Frantz always secretly loved reading but did not want his teacher to know.
C.
It emphasizes that not being able to learn French will have a major impact on Frantz.
D.
It shows that learning history and mastering grammar are important life skills for Frantz.