After presenting his "future like ours" argument against abortion, Marquis lays out several implications of his approach. According to our notes, what does he believe can be accomplished by considering these implications? a) Marquis believes that the implications show that only humans can have a "future like ours." b) Marquis believes that the implications are problems or challenges to his argument that need to be addressed. c) Marquis believes that the implications show that the "future like ours" moral principle is not at all universal. d) Marquis believes that the implications have nothing to do with the idea that "what makes killing wrong is the loss to the victim of the value of the victim's future". e) Marquis believes that the implications actually offer additional support for his view.