In Response to the Argument That Embryos Are Not Persons

In response to the argument that embryos are not persons because they do not exercise higher mental capacities, Lee and George argue that

A) embryos actually do exercise higher mental capacities.
B) it doesn't make sense to say that a person exercises higher mental capacities.
C) the argument is sound, but its validity fails due to a common logical fallacy.
D) to have killed a human embryos that developed into you would have been the same thing as killing you.