The correct answer is A. The parking ramps now in use are 99 percent full during the day and the number of drivers is growing 20 percent a year.
Explanation:
To support an opinion, position, or claim it is necessary to provide evidence directly related to it, this includes the use of statistics, representative examples, or an expert's opinion. Additionally, in most cases, some types of evidence such as personal experiences are not recommended because these are not objective.
According to this, the opinion presented can be best supported by " The parking ramps now in use are 99 percent full during the day and the number of drivers is growing 20 percent a year" because this statement uses statistics which are objective and show more parking space is needed considering in some cases the parking ramps are 99% full and it is expected the number of parking space needed increases due to an increase in drivers.