In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Living together of a man and woman without being married to each other

Options

A. marriage
B. equipage
C. lineage
D. concubinage

Answer

D

Explanation

concubinage (N.) : living together (as spouses) without being legally married
marriage (N.): the legal relationship between a husband and wife
equipage (N.) : equipment and supplies of a military force
lineage (N.) : the series of families that somebody comes from originally: ancestry