从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. The couple got into a(n)_____ about where to celebrate New Year’s Eve: at home or in a restaurant.
A. comment B. argument C. debate D. quarrel
22. Zhang Haidi’s face was easily_____ because more and more media covered her moving deeds.
A. known B. discovered C. recognized D. seen
