Final answer:
Winston receives "The Theory and Practice of Oligarchical Collectivism" from O'Brien, a book that represents ideologies opposing the Party in George Orwell's 1984 and is akin to a 'New Testament' of Marxism-Leninism.
Step-by-step explanation:
The book that Winston receives from O'Brien in George Orwell's dystopian novel 1984 is referred to as "The Theory and Practice of Oligarchical Collectivism" and is attributed to the character Emmanuel Goldstein. This book acts as a forbidden text within the story, laying out the ideological criticisms against the totalitarian regime of the Party and providing an exposition of the principles that govern the society in the novel.
Although not listed among the options provided by the student, the book closely resembles a "New Testament" of Marxism-Leninism according to the description in your reference, which compares its intended impact to that of a powerful description of communism and critique of capitalism. It is a symbol of rebellion and a pivotal element in the narrative that shapes Winston's understanding of his world and fuels his subversive thoughts against the Party.