suppose T$($n$)=2$T$($n$/2)+$n and T$(1)=$Q$(1).$ Which of the following is false

a$)$T$($n$)=$O$($n$^2)$

b$)$T$=$Q$($nlgn$)$

c$)$T$($n$)=$O$($nlgn$)$

d$)$T$($n$)=$W$($n$^2)$search