Which investor is probably the best protected with their investments?

A. James, who recently inherited $1 million in certificate shares of Microsoft

B. Chey, who invests her savings in two index mutual funds that invest in small and large U.S.-based companies through a new online broker.

C. Thomas, who has an S&P 500 Index ETF and a bond market ETF through an established brokerage firm with SIPC.

D. Raymond, who invested all of his savings in a new start-up run by his brother-in-law.