It was not the________ of the idea that made these satires popular, it was the manner of expression and the satiric method that made them interesting and entertaining.
句意：并不是思想上的原创性使这些讽刺诗流行，而是表达方式和讽刺手法让它们有趣且富有娱乐性。 originality 原创性。 familiarity 熟悉。 formality 礼节。 orientation 方向。因此选 A。