Linus Hires Mieko to Act as His Agent to Purchase

Multiple Choice

Linus hires Mieko to act as his agent to purchase Ngoc's Southeast Asian Buffet. Linus tells Mieko to reveal only that she is buying the restaurant on behalf of a third party, without telling Ngoc's seller who that third party is. Linus is​

A) ​a disclosed principal.
B) ​not a principal.
C) ​an undisclosed principal.
D) ​a partially disclosed principal.