Choose the correct s-cis conformation of the following diene: CI CH3 H3C CH3 CH3 H3C. H3C H3C H. CH3 H. H3C. H. CI H CI CH3 D A CH3 B CH3 H3C CI H3C H3C CH3 CH3 CH3 CH3 CH3 0000 ABCD Choose all correct reactive intermediate structures for the following reaction: Br NaOCH3 CH3OH CH3 OCH 3 Br H3CO Br C CH3 0- H3CO Br 0 0 0 0 ☐ C Α ABCD CH3 CH3 O- D H3CO Br CH3