60. C 考查细节理解。根据第一段第一句中的"with anxiety and worry in every line of his face"以及第三段的"His face relaxed a little, but one of his feet kept beating the carpet."可知，他非常紧张。

61. A 考查细节理解。根据第二段第一句中的"if I am going to ask to be released（免除） from my promise to marry you."可知，Laura曾经许诺嫁给Percival。

62. A 考查推理判断。通读全文文可知，这是一篇男女主人公关于婚嫁的对话，通过两个主人公的对话和肢体语言刻画他们的心里活动，故可推知本文出自一部小说。