Which one of the following is not a true statement? Select one: a. Most mutual funds invest in stocks, bonds, and other securities. b. Diversification provided by a mutual fund reduces risk. c. The goals of one mutual fund investor may differ from those of another. d. Since mutual fund managers are professionals, there is no need to evaluate a mutual fund. e. Mutual fund investments range from very conservative to very speculative investments.

plz explain, thanks!