Which of the Following Is an Example of Foreign Direct

Which of the following is an example of Foreign Direct Investment?

A) Ford motor company puts $10 million from its pension fund into a mutual fund containing shares of foreign companies.
B) Dr.Gareau, a French biologist, buys $5,000 worth of shares of Toyota.
C) Wells Fargo Bank buys $10 million worth of Bank of England T-Bills.
D) Ford buys a controlling interest in Land Rover, a British automobile company.