D(-)Glyceraldehyde --[Me3CO/HCl]--> A --[(i)CH3-CHMgCl (ii)H3O]--> B --[(i)O3 (ii)Me2S (iii)H+/H2O]- — AITS & Test Series Chemistry Question

Question

D(-)Glyceraldehyde --[Me3CO/HCl]--> A --[(i)CH3-CHMgCl (ii)H3O]--> B --[(i)O3 (ii)Me2S (iii)H+/H2O]--> C Which of the following statements are correct? (A) C is CHO | (CHOH)2 | CH2OH (B) A contains carbonyl group as well as C-O-C linkage (C) B can decolorize Br2/H2O (D) three moles of HIO4 will be consumed with C