What does this mean "tend to be less obvious and deeper in the long run" what's the message

ok tension creating an emotional connection in admired pieces of literature. In the novel Push, Sapphire writes from the point of view of Precious, a young teenage girl dealing with physical and verbal abuse from both her parents, as she tries to better life for herself and children. Sapphire’s poetic yet informal diction draws the reader deep into Precious’ inner thoughts and feelings as she deals with the struggle of feeling “like my blood a giant river swell up inside me and I 'm drowning. My head all dark inside. Feel like giant river I never cross in front me now.” The reader is drawn into Precious’ mind and experience the tension as she feels it tExplanation:

answer d

explanation:

i would think its c but i'm not sure