Wedo not have enough information here to regard this as a significant weakener.
Option C : The argument's conclusion is aboutinsurance companies' profits on collision-damage insurance alone, so other types ofinsurance, and the rates paid for them, are not relevant.
Option D : The condition of the roads and streets in each town probably contributes to the frequency of collisions in each town.
Option E : Since the argument isconcerned solely with collision-insurance costs and profits in Greatport and Fairmont, comparing the cost of insurance in those towns with the costofinsurance elsewhere would provide no useful insight. The tulu, a popular ornamental plant, does not reproduce naturally, and isonly bred and sold by specialized horticultural companies.
Unfortunately, thetulu is easily devastated by a contagious fungal rot.