Until Recently, Matriarchal Societies Have Not Been Widely Noted or Discussed

Until recently, matriarchal societies have not been widely noted or discussed in the social sciences. Which of the following explains this?

A) Sociologists agree that matriarchal societies have never existed.
B) Matriarchal societies existed prior to Christianity, but there are not contemporary matriarchal societies.
C) The identification of matriarchal societies has been obscured by the application of Western ideas about power.
D) There is no interest in matriarchal power within the social sciences.