Anna Fritzwater Has Died Leaving Three Children, Bob, Carol and Ted

Anna Fritzwater has died leaving three children, Bob, Carol and Ted. Her fourth child, Alice, died three years earlier. Bob and Carol each have two children. Alice left three children. Anna's will provides that her heirs share her estate per capita. Under her will:

A) Bob, Carol and Ted each get a one-third interest.
B) Bob, Carol, Ted, their children and Alice's children each get a one-tenth interest.
C) The lines of Bob, Carol and Ted each get a one-fourth interest to share and Alice's children each get one-twelfth.
D) Bob, Carol and Ted each get a one-fourth interest and Anna's grandchildren, including Alice's children, split a one-fourth interest.