The correct option is A. Cover letter should expand on the information is a résumé, not simply restate it.
A cover letter is a single-page letter written to the person or organisation offering the job you're applying for. A well-written cover letter should introduce you and encourage the person reading it to read your resume. A cover letter should be personalized and demonstrate that the applicant has done his or her research on the company.
bridges and highways are public transportation I don't think they would work on military bases. railroads and air travel would make sense but public works covers everything. let me know if you got it right.
