I pick B based on the corresponding highlighted parts.
The cityâ€™s public transportation system should be removed from the jurisdiction of the municipal government, which finds it politically impossible
either to raise fares or to institute cost-saving reductions in service. If public transportation were handled by a private firm, profits would be vigorously pursued, thereby eliminating the necessity for covering operating costs with government funds
political considerations would not prevent
private firms from ensuring that revenues cover operating costs
Trying hard to conquer Quant.