Which of the following statements about endocrine disruptors is true?

• A. They are chemicals that have the potential to disrupt the hormonal balance in the body.
• B. They may obstruct the natural hormone-receptor pathway.
• C. Xenoestrogens are synthetic estrogen-like substances that bind to estrogen receptors and disrupt endocrine function.
• D. All of the above.

Answer: (D)