What does it mean?

This is a line from the file /etc/export:
/product company(rw)
What does it mean?

A.
Only user company may access the filesystem /product when it is NFS mounted.

B.
This computer will mount the filesystem /product on company via NFS.

C.
The filesystem /product is exported for NFS mount to computer company.

D.
All NFS access to /product will use suid company.