Answer: C.Lysander and Hermia decide to run away, which brings the four lovers and the fairies together in the woods.
In the play A Midsummer Night's Dream, Hermia and Demetrius are meant to get married. However, Hermia refuses as she is in love with Lysander. Hermia's father, Egeus, asks the help of Theseus, duke of Athens. They both want to persuade Hermia to follow his father's wishes. However, her love is too strong, and Hermia and Lysander decide to run away, and get married at a house owned by Lysander's aunt. This decision is the complicating incident that affects the plot of the story.