A. This is not the best answer. It is an inference based on references to research findings.
B. This is not the best answer. The statement is an inference based on references to research on dimensions of well-being.
C. This is not the best answer; it is an observation. Specific numbers of individuals and types of mental disorders are explained.
D. This is the best answer; it is an assumption. There is no supporting numerical evidence or references to research.
E. This is not the best answer. This is an inference based on research data and projected conclusions.