If a cargo of kerosene were considered too lean to explode, then it must be（）.<br>A:above the explosive range<br>B:within the explosive range<br>C:below the explosive range<br>D:None of the above

If a cargo of kerosene were considered too lean to explode, then it must be（）.
A:above the explosive range
B:within the explosive range
C:below the explosive range
D:None of the above

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