English Language · English

Direction: There is a sentence that is missing in the paragraph below. Look at the paragraph and decide in which blank (Option A, B, C, or D) the following sentence would best fit. Sentence: This mutual dependency laid the groundwork for domestication, gradually transforming wolves into the loyal dogs humans cherish today. Paragraph: For thousands of years, dogs and humans have shared a unique and cooperative bond, evolving alongside each other in ways unmatched by any other species. [A] Early humans benefited from wolves' heightened senses, often using them for hunting support and protection against predators. [B] Over time, the connection strengthened as both species began to rely on each other not only for survival but also companionship. [C] Today, dogs serve a variety of roles—from loyal family companions to service and law-enforcement animals. [D] This enduring partnership highlights how communication, trust, and shared survival needs forged one of the most remarkable interspecies relationships in history. Where does the sentence best fit?