Lily is only 13 years old she knows 2000 English words.A. WhileB. Nor C. But D. Although

问题补充：

Lily is only 13 years old, she knows 2000 English words.

A. While

B. Nor

C. But

D. Although

答案：

A. While

B. Nor

C. But

(答案→)D. Although

解析：While然而，当……时；Nor也不，也不是；But但是，然而；Although虽然，尽管。句意：尽管丽丽只有十三岁，但是她知道2000个英语单词。结合语境可知选D。