For Each Question, Provide Structures for the Reactants, Intermediates, or Products

For each question, provide structures for the reactants, intermediates, or products, as indicated. Draw the structures in the boxes provided.
-Which of the following would produce a mixture of products when treated under appropriate conditions with N-bromosuccinimide?

A) oct-4-ene
B) hept-1-ene
C) 4,4-dimethylcyclopentene
D) 4,5-dimethylcyclohexene
E) all of these produce a mixture of products