The degree of the differential equation \(\frac{{{d^2}y}}{{d{x^2}}} + 3{\left( {\frac{{dy}}{{dx}}} \right)^2} = {x^2}\log \left( {\frac{{{d^2}y}}{{d{x^2}}}} \right)\) is

• A. 1
• B. 2
• C. 3
• D. None of these