How Does the Term "Civil Liberties" Differ from the Term

How does the term "civil liberties" differ from the term "civil rights"?

A) Lawsuits may be filed when violations of civil liberties occur, but they may not be filed for violations of civil rights.
B) Civil liberties are voluntary whereas civil rights are mandatory.
C) In most cases, the terms mean the same thing.
D) Civil liberties are guaranteed by the Constitution and cannot be taken away, whereas civil rights refer to the rights to equal treatment for specific groups based on race, gender, sex, etc.
E) The term "civil liberties" was used prior to the twentieth century, whereas the term "civil rights" was used afterward.