Young women who belonged to the 1960s counterculture movement often got married and settled down at a younger age than their parents had. pursued nontraditional roles instead of becoming wives and mothers. rejected careers and professional employment to become homemakers. took part in violent, aggressive antiwar protests and demonstrations.

Option A, is the right answer that, women pursued nontraditional roles instead of becoming wives and mothers.

Counterculture in American context refers to the period of the 1960s when the American youth denied the already established cultural norms of their parents. The Counterculture of youth rejected the social norms particularly with respect to the Racial segregation, sexual morals,  materialism and women's rights. This culture gave women their bodies back by promoting physicality rather than rational detachment.

The correct answer is: "pursued nontraditional roles instead of becoming wives and mothers".

A counterculture is a subculture which typically rejects and contradicts the values which shape the mainstream society. This kind of movements usually reflect the aspirations of speficic generation and human group during a certain era.  

The counterculture that proliferated during the 1960s in the US, was usually associated with the hippy subculture and it rejected the traditional way of life, the so-called 'American Dream' and the establishment.  This is why young women that had joined this movement, rejected the traditional family roles. They were not willing to become housewives, to take care of their children while depending economically on their husbands, They wanted to develop their own professional careers instead and they were not worried about finding the perfect husband soon.