Which of These Statements Related to the Study of Sociolinguistics

Which of these statements related to the study of sociolinguistics is FALSE?

A) When terms of address used between people are not reciprocal, this is an indication of social inequality between those interacting.
B) How a person speaks may be used by others to make judgments about that person's sexual orientation or social class location.
C) Gender is the only social characteristic that is not consistently reflected in speech patterns and norms for communication within any given culture.
D) Speech patterns, mannerisms, and other nonverbal communication are used by people to manage the impressions that others have of them.