【单选题】
Obviously, for a given fuel oil, its pour point is () its cloud point.
A、lower than
B、higher than
C、as same as
D、better than
A、lower than
B、higher than
C、as same as
D、better than
A、A.liquid commodities in containers B、B.bottled liquid commodities C、C.common liquid commodities in bulk D、D.liquid commodities in cylinders