The correct option is C superstitious
Option B, superstitious, is the correct answer. The people of Rome were extreme believers of their ingrained superstitions, to the point that they believed natural calamities to bring forth more destruction to their empire and even the world. There is no indication of them being homogenous, reactionary or regretful. They were certainly not insightful taking into account their ignorance of the disaster that hit them. Therefore, options A, C, D and E are incorrect.