According to criminologists, the cause of riots among many segments of the population is not so much that rioters are being primed for violent behavior by their parents or to rebel against oppressive regimes by the media as that the rioters are spontaneously spurred to action by a specific incident.

A the cause of riots among many segments of the population is not so much that rioters are being primed for violent
behavior by their parents or to rebel against oppressive regimes by the media
B the cause of riots among many segments of the population is not as much their being primed for violent behavior by
their parents or rebelling against oppressive regimes by the media as much
C it is not so much the cause of riots among many segments of the population that they are being primed for violent
behavior by their parents or rebelling against oppressive regimes by the media as much
D it is not so much that the cause of riots among many segments of the population is their being primed for violent
behavior by their parents or rebelling against oppressive regimes by the media so much
E it is not so much the cause of riots among many segments of the population to be primed for violent behavior by their
parents or to rebel against oppressive regimes by the media