If the multiple correlation coefficient of $$X_1$$, on $$X_2$$, and $$X_3$$ is zero, then:

A

$$r_{12}$$ ≠ 0, $$r_{13}$$ = 0

B

$$r_{12}$$ = 0, $$r_{13}$$ ≠ 0

C

$$r_{12}$$ ≠ 0, $$r_{13}$$ ≠ 0

D

$$r_{12}$$ = 0, $$r_{13}$$ = 0