A body cools from $$80°$$C to $$60°$$ in $$5$$ minutes. The temperature for the surrounding is $$20°$$C. The time it takes to cool from $$60°$$C to $$40°$$C is

A

$$450$$ s

B

$$420$$ s

C

$$500$$ s

D

$$\frac{25}{3}$$ s