There are only new words in the passage, but I know of them.
A. a little; none
B. a few; none
C. little; all
D. few; all
网友回答
A. a little; none
(答案→)B. a few; none
C. little; all
D. few; all
解析：few和a few用以修饰可数名词,前者一般表示否定意义,后者表肯定;little和a little用以修饰不可数名词,前者表否定,后者表肯定. none 没有一个，全部否定all 全部都。一般用于肯定句。