Caleb has been regularly listening to a popular weekly podcast on political issues and current events produced and hosted by the well-known journalist Ezra Klein. Over time, Caleb has noticed that his political opinions have
become increasingly similar to Klein's. A sociologist would describe Ezra Klein as a
a. power elite
O b. simulacrum
c gerrymander
d. opinion leader

A sociologist would describe Ezra Klein as a:

d. opinion leader.

Explanation:

According to the passage, Ezra Klein was able to influence Caleb's opinions informally. With time, Caleb has started to think more and more like Klein. This is described in sociology by the term opinion leadership. An opinion leader is someone who is capable of influencing and persuading others to think and act in a way that is in accordance to his own opinions and preferences.

answer; i believe the first answer to be (independent; /// and the second answer is (french); good luck