单选题To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located（）.Ain trays constructed of material that is resistant to the electrolyteBso as to prevent movement when the vessel pitches and rollsCin a well ventilated areaDAll of the above
单选题
To prevent damage by and to storage batteries aboardsmall passenger vessels they should be located（）.
A
in trays constructed of material that is resistant to the electrolyte
B
so as to prevent movement when the vessel pitches and rolls
C
in a well ventilated area
D
All of the above
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