Which of the lettered choices is equivalent to the following decision?

if x $>10$ then

if y $>10$ then

output $"$X$"$

endif

endif

a$.$ if x $>10$ OR y $>10$ then output $"$X$"$ endif

b$.$ if x $>10$ AND x $>$ y then output $"$X$"$ endif

c$.$ if y $>$ x then output $"$X$"$ endif

d$.$ if x $>10$ AND y $>10$ then output $"$X$"$ endif