She is selfless, Viola is in love with Orsino but still chooses to help him be happy, so she is selfless
Most likely C (capital L, uncle('s), and a dot at the end of the sentence.)
I thought it was the third one. only because a topic sentence should always relate to your essay but providing details would allow yourself to briefly explain your essay more in order for the reader/marker to gain a better understanding of your point of view