A.
17.89 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
B.
20.58 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
23.43 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
D.
28.18 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>