All of the following choices adhere to the NASAA Model Rule on Unethical Business Practices of Investment Advisers and Federal Covered Advisers EXCEPT when an investment adviser:[A] decides to borrow funds with a promissory note in writing from a client, who is also a controlling shareholder.[B] decides to borrow funds with a promissory note in writing from an institutional lending facility, who also happens to be a client.[C] decides to borrow funds with a promissory note in writing from an individual client.[D] decides to borrow funds through a margin account from a broker-dealer who also just happens to be a client.