Which of the following is a binary number equivalent to octal number (.431)8?

• A. \[{{\left( 100011001 \right)}_{2}}~\]
• B. \[{{\left( .100011001 \right)}_{2}}\]
• C. \[{{\left( 100110100 \right)}_{2}}\]
• D. \[{{\left( .100110001 \right)}_{2}}\]
• E. \[{{\left( 1000.11001 \right)}_{2}}\]