Final answer:
Caroline feels that civil engineers should focus on green projects, and although she hasn't expressed this openly, she is content that her values align with those of her employer, Skanska, which is known for such projects.
Step-by-step explanation:
The statement that best describes Caroline's feelings towards her work as a civil engineer at Skanska is C. Caroline secretly harbors feelings that align with Skanska. According to the information provided, Caroline has never openly expressed her feelings about her preference for green projects, but internally, she believes that a civil engineer should focus on sustainable, environmentally friendly projects. This personal value aligns with the reputation of Skanska, which is known for undertaking green projects. Caroline is content with her job because her personal values match the company’s focus on sustainability in civil engineering.