Read the advertisement for employment. Help Wanted: House sitter needed to watch house while owner is out of town. Job requires overnight stays two to three nights a week, some weeks more. Flexibility is required. Experience preferred. Submit references with résumé. Use the details in the advertisement to answer the big-picture question: "Which person would most likely apply for this job?" O a single parent who has three young children to support O a college student who has some free time O a college graduate who wants to gain professional experience O a teenager who has to be home by 9 p.m. every night