题目

阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。 An 80-year-old man was sitting on the sofa in his house alongwith his 45-year-old highly educated son. Suddenly a crow（乌鸦）perched（栖息）on their window. The father asked his son, “What is this?” The sonreplied, “It is a crow.” After a few minutes, the father asked his son for the secondtime, “What is this?” The son said, “Father, I have just now told you, it'sa crow!” After a little while, the old father again asked his son forthe third time, “What is this?” At this time 判断下列单词的划线部分有几种读音。add    mayonnaise    amount    watermelon A. 一种 B. 两种 C. 三种 D. 四种