You should choose the best guess
I’m pretty sure the answer is C.
Communication plays the role of knowing your child better and knowing what he/she is into. Communication is basically bonding with your child, which is good for countless reasons, you want a good relationship with your child and make it as if you're not just someone who keeps food on their table and a roof over their head. In the long run communicating would help you a lot and you both can grow together.
A Raisin in the Sun is essentially about dreams, as the main characters struggle to deal with the oppressive circumstances that rule their lives. The title of the play references a conjecture that Langston Hughes famously posed in a poem he wrote about dreams that were forgotten or put off.