Which red flag should stop the agent from discussing this potential purchase further?

A U.K. real estate agent has three foreign clients interested in purchasing an apartment building, valued at £30 million, in the outskirts of London as an investment property. The clients are not willing to have their names provided to the bank. The clients want to purchase to be made in the names of three private companies for privacy reasons. The plan is to wire the funds into an account held in the name of another private company at a bank in London.

Which red flag should stop the agent from discussing this potential purchase further?
A . The clients are foreign
B. The clients have the funds necessary to fund a £30 million purchase
C. The clients are not willing to have their names provided to the bank
D. The clients want to purchase to be made in the names of the private companies

Answer: C