Evaluate ${\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{se{c}^{2}x}{(4-ta{n}^{2}x{)}^{\frac{3}{2}}}dx$

Select one:

a$.\frac{1}{4}cotC$

b$.\frac{-tanx}{4\sqrt[\phantom{2}]{4-ta{n}^{4}t}}C$

c$.\frac{tanx}{4\sqrt[\phantom{2}]{4-t\frac{a{n}^2}{2}}}C$

d$.\frac{tans1}{\sqrt[\phantom{2}]{4}tan1,}C$