Answer:
A. Once the firm starts growing and attracting more customers she is likely to feel overloaded.
Explanation:
Ruby, from the case, is a talented designer. Startups often face financial challenges at commencement, hence the business founder is tempted to take up more roles than she is suited for. This could have an impact on her areas of competence. Hence, as the firm grows, she is likely to feel that she is doing so much work which may not be in line with her core skills.