Final answer:
The Lord sent the fullness of His gospel for men to partake in the glories revealed and c. because it was the proper time.
Step-by-step explanation:
The Lord sent the fullness of His gospel for multiple reasons. One of the reasons is so that men might be made partakers of the glories which were to be revealed. The Lord wanted to give people the opportunity to learn and understand His teachings, receive salvation through faith in Jesus Christ, and experience the blessings and blessings that come from following His gospel.
Additionally, sending the fullness of His gospel was also the proper time for the Lord to do so. It was part of His divine plan and timing to bring about the salvation and exaltation of His children.