Andrew and Bob Purchase Land as Joint Tenants

Andrew and Bob purchase land as joint tenants.Bob sells his interest to Carol.Subsequently,Andrew dies.Which of the following statements is correct?

A) Andrew's interest vests in his wife by reason of survivorship.
B) Andrew's interest vests in Carol by reason of survivorship.
C) Andrew's interest vests in Carol and Donna by reason of survivorship.
D) Andrew's interest vests in his wife and Carol by reason of survivorship.
E) None of the responses are correct.