d$2$dx$2($secx$)$dx$2$d$2($secx$)=$

A$.$sec$$x$$tan$2$x$+$sec$3$xsec$$x$$tan$2$x$+$sec$3$x

B$.$sec$$x$$tan$$x$+$sec$3$xsec$$x$$tan$$x$+$sec$3$x

C$.$tan$2$x$+$sec$$x$$tan$$xtan$2$x$+$sec$$x$$tan$$x

D$.$sec$$x$$tan$2$x$+$sec$2$xsec$$x$$tan$2$x$+$sec$2$x

E$.$sec$$x$$tan$2$x$+$sec$2$x$$tan$$xsec$$x$$tan$2$x$+$sec$2$x$$tan$$x