The statement that best analyzes how Mr. Hooper's moral dilemma influences the theme of the story is:
Mr. Hooper's decision to keep the veil and lose Elizabeth supports a theme related to adhering to one's moral ideals.
This choice underscores Mr. Hooper's internal struggle between personal relationships and his commitment to his own beliefs and moral principles, represented by the veil that symbolizes hidden sin and the inability to wholly connect with others.