Which of the following configuration lines will export /usr/local/share/ to nfsclient with read-write access, ensuring that all changes are written straight to the disk?

Which of the following configuration lines will export /usr/local/share/ to nfsclient with read-write
access, ensuring that all changes are written straight to the disk?

A.
nfsclient:/usr/local/share/:rw,sync

B.
/usr/local/sharenfsclient(rw,sync)

C.
nfsclient(rw,sync) /usr/local/share

D.
/usr/local/share nfsclient:rw:sync

E.
/usr/local/sharenfsclient(rw)

Explanation:
A too, if 2 answers possible