The poem is about the destruction that a child's life can go through in the absence of a parent. It is an emotional poem which marks the emotional damage in a life of a child.
The poet has highlighted the troubles during the period of adolescence. There are many problems which the poet is going through but the major problem is her mother's absence in solving her problems. She finds the doors of her mother closed for her. She feels that no one is there for her and no one cares for her if she would die.
The answer is D
I just did the question
Carbon is added to the environment just by humans and higher animals breathing in oxygen and breathing out carbon dioxide. But by far the biggest contributor of carbon to the environment especially the atmosphere is the burning of fossil fuels which then contribute to the greenhouse gases which in turn cause global warming. Water vapour, carbon dioxide, methane and ozone are the main constituents of greenhouse gas.
The only sentence that makes the most sense would be D) Neither Carla nor Tim plays in the marching band.