请教 LSAT15-1-15

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LSAT15-1-15

15）Zachary: One world have to be blind to the reality of moral obligation to deny that people who believe a course of action to be morally obligatory for them have both the right and the duty to pursue that action, and that no one else has any right to stop them form doing so.

Cynthia: But imagine an artist who feels morally obliged to do whatever she can to prevent works of art from being destroyed confronting a morally committed antipornography demonstrator engaged in destroying artworks he deems pornographic. According to your principle that artist has, simultaneously, both the right and the duty to stop the destruction and no right whatsoever to stop it.

Which one of the following, if substituted for the scenario invoked by Cynthia, would preserve the force of her argument?
(A) a medical researcher who feels a moral obligation not to claim sole credit for work that was performed in part by someone else confronting another researcher who feels no such moral obligation
(B) a manufacturer who feels a moral obligation to recall potentially dangerous products confronting a consumer advocate who feels morally obliged to expose product defects
(C) an investment baker who believes that governments are morally obliged to regulate major industries confronting and investment banker who holds that governments nave a moral obligation not to interfere with market forces
(D) an architect who feels amoral obligation to design only energy-efficient buildings confronting, as a potential client, a corporation that believes its primary moral obligation is to maximize shareholder profits
(E) a health inspector who feels morally obliged to enforce restrictions on the number of cats a householder may keep confronting a householder who, feeling morally obliged to keep every stray that comes along ,has over twice that number of cats

选E，实在没绕清楚他们的关系，请帮忙解释一下。

Below attached is the former explanation, however I still feel confused. Highly expect some CR experts to point out a more clear way. Thanks in advance.

文中是说自己认为正确的是就应该有权去做，别人没权阻止。ABC说的都不是这个自己认为如何，d说的虽然都是自己认为正确，但实际上二者没有直接冲突，只有E二者直接冲突了，导致双方不能都实现自己的道德责任。