How can you configure your pkg clients such that each package is updated from the publisher originally used to install it?

Your company decides to store its software packages in one repository. The new repository will
include five publishers. How can you configure your pkg clients such that each package is
updated from the publisher originally used to install it?

A.
Configure it such that each publisher is added with the –search-first option.

B.
Configure it such that the top tanked publisher is sticky.

C.
Configure it such that all publishers are sticky.

D.
Configure it such that the bottom-ranked publisher is sticky.

E.
Configure it such that the preferred publisher has the highest rank.