圆C1：（x+1）2+（y+1）2=4与圆C2：（x﹣2）2+（y﹣1）2=4的公切线有且仅有（ ）
A：1条
B：2条
C：3条
D：4条
—我想要为孩子们写故事。
—____ ____ you want to ____ in the future?
—I want to ____ ____ for ____.
— Maggie, what you said may result in serious problems.
— I see. I was just telling the truth.
