All personnel decisions must be made solely on the basis of select one: a. subjective preferences. b. race and color. c. objective criteria. d. sexual preferences. e. national origin.

All personnel decisions must be made on C. objective criteria.

Explanation:

Within any company or organization, all decisions regarding the personnel should be made under objective criteria so as to give every employee a fair stand.

Let's see why the other options are unjust:

answer; /// the only one of the above that makes good sense is ( the poor,plz check luck

answer; ( action training environment;