Complete the following reaction: CH2=CH-C6H5 + SO3( dioxane) ——–> ________

• A. HOSCH=CHC6H5
• B. HOSOCH=CHC6H5
• C. OH2SCH=CHC6H5
• D. HO3SCH=CHC6H5
• E. ——–> ________a) HOSCH=CHC6H5b) HOSOCH=CHC6H5c) OH2SCH=CHC6H5d) HO3SCH=CHC6H5