Which of the Following Statements Is True of Investing

Which of the following statements is true of investing?

A) An early start to investing can lead to dramatically more money when it comes time to retire.
B) Investing in one type of financial security is less risky than investing in a diversified financial portfolio.
C) The later you begin investing, the more powerful the effect of compounding becomes.
D) Older investors are less concerned about risk than younger investors.