单选题Sour crude oil（）.Acontains high quantities of hydrogen sulfideBis diluted with other products for carriageCis lighter than other crudesDis less hazardous to load than other crudes
单选题
Sour crude oil（）.
A
contains high quantities of hydrogen sulfide
B
is diluted with other products for carriage
C
is lighter than other crudes
D
is less hazardous to load than other crudes
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