The problem in the underlined portion of this sentence is that the commas at the beginning and end are not strong enough to hold the Independent clauses together. This problem is called a

B). In June, she increased the number of parking meters in the downtown area.

Explanation:

As per the given data, the most likely action that has directly been affected by the public opinion would be 'the decision of increasing the number of parking meters in the downtown area in June' as the majority of public opinions are of this view. Thus, Mayor Tesoro' action to increase the number of parking meters provides importance to the parking related issues of the city residents(as reflected by the data) and this move would bring resolution to their problems. Therefore, option B is the correct answer.