I must be late on this comment. However, like the person claimed above me. The answer would be C. Just so you can have reassurance that this is the correct answer. Thank you and I hope you have a good day!
The <span>best proposal that can support her presentation regarding the </span><span>renovation of a city park for her service project </span>to the City Council members is 'a proposal that shows worn out areas of the park with detailed suggestions for how the park can be improved'.