In the reaction of benzene with an electrophile $E^{+}$,the structure of the intermediate $\sigma$-complex can be represented as

  • A
    The structure shows a radical on the benzene ring with $E$ and $H$ attached.
  • B
    The structure shows a carbocation at the ortho position relative to the $E$ group.
  • C
    The structure shows a carbocation at the ipso position where $E$ is attached.
  • D
    The structure shows a carbocation at the meta position relative to the $E$ group.

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