You are on a containership. The cargo includes a container of small arms ammunition，a container of lead-acid storage batteries and bottles of methyl acetylene. Which statement is TRUE?（）.
A. The storage batteries must be stowed on deck away from the ammunition
B. The storage batteries must be at least ten horizontal feet away from the methyl acetylene if in the same space
C. The ammunition must be separated from the methyl acetylene by at least one hold
D. The methyl acetylene may be stowed on deck or under deck with under deck stowage to be used if available
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