What does this excerpt imply about how Charlotte has changed as a character? She doesn’t believe in herself anymore.
She has become more confident.
She still wants to impress her elders.
She is worried about manners.

the correct answer is:   [c]:

                    →     " leave it out. "  

hope this is to you!

        best wishes!

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.