为以下段落选择一个合适的标题。

This article discusses the benefits and drawbacks of a plant-based diet. It covers topics such as nutrition and environmental impact, and provides advice for those considering transitioning to a plant-based diet.
2. 选项: 
A. The advantages of a plant-based diet
B. The disadvantages of a plant-based diet
C. Transitioning to a plant-based diet: Tips and advice
D. Environmental impact: How a plant-based diet can help
C. Transitioning to a plant-based diet: Tips and advice