Los Angeles’s safety record with school buses is generally a good one, but of course this record is only as good as the school bus drivers themselves.A、In spite of a generally good safety record for their school buses, Los Angeles school bus drivers are not very good.B、If school bus drivers are not very good, the town’s school bus safety record will not be very good either.C、If cities wish to maintain good safety records with school buses, they should hire good school bus drivers.D、With better school buses, drivers will be able to main better safety records.E、Los Angeles’s safety record with school buses has improved because better bus drivers have been hired..