The line passing through the extremity A of the major axis and extremity B of the minor axis of the ellipse $$x^2 + 9y^2 = 9$$ meets its auxiliary circle at the point M. Then the area of the triangle with vertices at A, M and the origin O is

A

$$\frac{31}{10}$$

B

$$\frac{29}{10}$$

C

$$\frac{21}{10}$$

D

$$\frac{27}{10}$$