If 30% of \[A=0.25\] of \[B=\frac{1}{5}\]of C, then find\[A:B:C=\]?

• A. \[12:15:10\]                 
• B.  \[10:12:15\]
• C. \[10:15:12\]                 
• D.  \[15:12:10\]