How does this sentence help refine a central idea idea Newton’s theory of gravity?

It illustrates the range of circumstances in which Newton's theory of gravity continues to aid scientific understanding of motion.

d) she is both terrified and excited by the idea of returning to school.

a) she takes one day at a time.

d) she felt like she was an object of ridicule.

d) she tells her daughter not to worry about it because things will get better.\

b) elnora needs money for books and out-of-town tuition. she will raise the money herself.

b is the answer.   i sat on the lumpy sofa, totally exhausted, with a bad taste in my mouth, wondering what i should do next.