Question

bill is looking at specific followers on social media. they want to know what effect they had on other audience members. what optimization strategy are they reviewing? a timing b communication c influencers d keywords

Explanation:

The question focuses on evaluating the impact of specific social media followers on other audience members. Influencers are social media followers/accounts that have the ability to affect the opinions, behaviors, or engagement of other audience members, which matches the described goal. Timing relates to post scheduling, communication refers to message content, and keywords are for discoverability, none of which address the impact of specific followers on others.

Answer:

C. Influencers