wE CAn inFEr From thE pAssAgE thAt A ChAngE-ovEr oF rolEs in thE FAmily _______.
A．is quitE nECEssAry in moDErn liFE.
B．is proBABly BAsED on somE prACtiCAl rEAsons
C．Aims solEly At A ComplEtE EmAnCipAtion oF womEn
D．shows womEn ArE not nECEssArily inFErior to mEn