Question

What results when but-1-ene is subjected to the following reaction sequence:
(1) Cl2, H2O, (2) NaOH, (3) H3O+?
A) a meso epoxide
B) a 1:1 mixture of enantiomeric epoxides
C) a meso diol
D) a 1:1 mixture of enantiomeric diols
E) butan-2-ol