The Species Shown Below Represents the Transition State for the $\mathrm{HBr}$

The species shown below represents the transition state for the

A) reaction of 1-propanol with $\mathrm{HBr}$ .
B) reaction of 1-bromopropane with $\mathrm{OH}^{-}$ .
C) addition of $\mathrm{HOBr}$ to 1-propene.
D) addition of $\mathrm{HBr}$ to propene with peroxides.