When the Document Is in the Custody of a Public

When the document is in the custody of a public office:

A) it is permissible to obtain photocopies, which are considered secondary evidence in a court of law.
B) copies of the document should be made but kept separate from the original document.
C) the document (or a copy) cannot be used as evidence in a court of law.
D) a summary of the document will suffice.