Which of the Following Statements Summarizes the Relationship Between Power

Which of the following statements summarizes the relationship between power and language use?

A) When the other person has more power, we try to minimize the negative impact of our words.
B) People who are lower power are more polite when speaking to people with higher power.
C) People with higher power are more likely to address someone with lower power using their first name.
D) All of the above are correct.