23. Which of the following reagents would not convert an alkene to an alcohol? (A) Br2, H2O (B) (1) Hg(OAc)2, H2O; (2) NaBH4(C) 1) MCPBA; 2) H3O+ (D) 1) O3; 2) CH3SCH3(E) 1) BH3-THF; 2) H2O2, NaOH