A：Having told many time
B：Having been told many time
C：He had been told many time
D：Many times as he was told
设x1，x2是一元二次方程x2﹣2x﹣3=0的两根，则x12+x22=（ ）
阅读以下材料：
材料一：“苏湖熟，天下足。”（谚语）
材料二：南宋诗人陆游在一篇文章中说：“朝廷在故都时，实仰东南财赋。”
请回答：
名著阅读。
将下面的名词按可数名词、不可数名词及兼类词（既是可数名词又是不可数名词)进行分类。
clock, boy, girl, book, water, ball, food, banana, tomato, ice-cream, salad, vegetable, egg, pear, chicken, rice
