$$0.1\times 0.2\times 0.3=(0.1\times 0.2)\times 0.3=0.02\times 0.3=0.006$$. Therefore, the answer is $$\rm B$$. 
$$0.1\times 0.2\times 0.3=$$．($1979-1980$ Math League.com contest problem, $7$\textsuperscript{th~}Grade, Question \#$12$) 
A: $$0.0006$$ 
B: $$0.006$$ 
C: $$0.06$$ 
D: $$0.6$$ 