Which is the theme of the passage? "I glared at Kristina reproachfully throughout our first-period Spanish class the next morning. She had responded to none of my calls or texts nor my outraged e-mail, and this morning she studiously avoided meeting my eyes, doubtlessly glad that the alphabetical seating arrangement meant that she was across the room from me. I also noticed that she had entered the class at the last possible moment — and that Joel was also trying to catch her eye. I grinned a little at that."

A. Planning ahead can benefit yourself and others.

B. Helping others can be a pleasant experience.

C. You should help others because you may need their help one day.

D. It is important to help and spend time with elderly citizens.