What is an advantage of using foam in fire fighting?

A
It is effective in controlling fire in flowing oil such as coming from a broken fuel line.
B
It absorbs heat from materials that could cause reignition.
C
Most foams can be used jointly with dry chemical extinguishing agents to attack a fire by two methods of extinguishment.
D
Once the surface is blanketed with foam and the fire is extinguished, no further foam is required.
E