Final answer:
The best solution is for Larissa to wait until after her dental work is completed to recommit to her diet changes since the stress she is experiencing is temporary and can impact her ability to maintain new eating habits.
Step-by-step explanation:
Larissa is facing stress due to her upcoming major dental work and is finding it difficult to focus on changing her eating habits. The best solution for her situation would be 'c. This stress is temporary, so she should wait until her dental work is completed before strengthening her commitment to her diet.'
It is important to recognize that while good nutrition is crucial for health, stress can significantly impact one's ability to maintain dietary changes. In fact, coping with stress through problem-focused strategies and ensuring self-care by balancing nutrition, exercise, and sleep are essential for overall well-being.