Lourdes is planning to write an e-mail to the city council asking that traffic lights be installed at the crosswalk in front of her school. Given her purpose and audience, how should Lourdes organize the text in her e-mail? A. Lourdes should clearly state that traffic lights need to be installed, explain why they are necessary, and thank the council for its help. B. Lourdes should give a history of the city council and its responsibilities and then explain why installing a traffic light at the crosswalk is one of their responsibilities. C. Lourdes should explain how important the crosswalk is for students at her school by listing the different ways it is used and the different people who use it. D. Lourdes should explain how the crosswalk is used in the course of a typical school day, starting with when students come to school and ending with when they go home.