The shut off valve at the gasoline tank which can be operated from outside the tank space （）.<br>A:controls the amount of gasoline to the engine<br>B:shuts off the gasoline supply at the tank<br>C:is used if the gasoline tank leaks<br>D:All of the above

The shut off valve at the gasoline tank which can be operated from outside the tank space （）.
A:controls the amount of gasoline to the engine
B:shuts off the gasoline supply at the tank
C:is used if the gasoline tank leaks
D:All of the above

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