Christine, a college graduate, held a variety of part-time jobs in her early twenties. She had neither married nor begun a career by age 30. According to Neugarten, Christine is likely to

suffer from self-doubt and lack confidence.
health issues
None of the above

So she graduated college which means she’s smart and wanted higher education. She had many part-time jobs during this time so she needed money but later on she wasn’t married or had a career even though she graduated college.

I think she’s going to suffer from self-doubt and lack of confidence