Referring to the article, which of the following statements is true?

I- The article discusses the challenges of Constitutional Law in the 21st century.
II- The article highlights the importance of environmental issues and the urgency of effective action.
III- The article argues that the principles of individualism and human rights are still the foundation of Constitutional Law.
IV- The article suggests that the Sustainable Development Goals can serve as a reference point for formulating public policies.
a) Only statements I and III are true.
b) Only statements II and IV are true.
c) Statements I, II, and IV are true.
d) All statements are true.