How Did ÉMile Durkheim Define Mechanical Solidarity

How did Émile Durkheim define mechanical solidarity?

A) social cohesion found in industrial (and perhaps postindustrial) societies,in which people perform specialized tasks and feel united by their mutual dependence
B) social relationships based on personal bonds of friendship and kinship,and on intergenerational stability
C) social bonds based on impersonal and specialized relationships,with little long-term commitment to the group or consensus on values
D) social cohesion in preindustrial societies,in which there is minimal division of labour and people feel united by shared values and common social bonds