Three or four of the following illustrations depict different structural isomers of the organic compound with molecular formula C₆H₁₄.For clarity,only the carbon skeletons are shown; hydrogen atoms that would be attached to the carbons have been omitted.Which one,if any,is not a structural isomer of this compound?
A) B) C) D) E)Each of the illustrations in the other answer choices depicts a structural isomer of the compound with molecular formula C₆H₁₄.