There is $$\text{560mL}$$ of milk in Bottle $$A$$ and $$\text{440mL}$$ of milk in Bottle $$B$$. How much milk should be poured from Bottle $$A$$ to Bottle $$B$$ so that both bottles have the same amount of milk? 
选项为:A:$$\text{60mL}$$  B:$$\text{120mL}$$  C:$$\text{500mL}$$  D:$$\text{1000mL}$$  请回答其中一个选项.