单项选择题
A fire involving trash and paper waste would be classified as a （）.
A.class A B.class B C.class C D.class D
单项选择题 A fire in a pile of dunnage would be classified as a （）.
单项选择题 In cleaning up an oil spill, the use of straw or reclaimed paper fibers would be an example of which type of oil removal?（）
单项选择题 A fire in a pile of canvas would be classified as a （）.
