The correct answer is a.Holding her note cards, the woman stepped up to the microphone ready to give her speech..
That is because it is the most grammatically acceptable sentence of all the ones mentioned here as it has both the proper syntax and proper punctuation.
Direct: She was beautiful with golden brown hair and bright green eyes.
Indirect: He say me crying and he came up to me and gave me a hug.
B. Solar power saves money for the user and makes the world a better place all around.
A is a personal opinion, C is not specific at al, D is factual, but it doesn't exactly make sense because though it helps the environment it doesn't really sustain our resources. Therefore B is the correct answer.