"Use a clean moisture-free cloth or a sponge to fully dry all su

"Use a clean moisture-free cloth or a sponge to fully dry all surfaces." The cleaning tools mentioned in the above sentence include ? 1干抹布;2海绵;3清洁的干抹布;4清洁的不起毛抹布;

A.1和2

B.2和3

C.2和4

D.1和3

正确答案是B