En el se escriben todas nuestras experiencias de trabajo, asi como nuestro nivel académico.

The definition for that is a resume or C.V. it is a formal document you submit when you apply for a job, here recruiters can see all your experience, education and skills. It covers your general background. It also shows whether you have the qualifications or not for the position you are applying for.

c is the answer because first she would blush to make the reader wonder why which they find out in the next line.