单选题 He soon received promotion, for his superiors realized that he was a man of considerable ______.
A. ability B. future C. possibility D. opportunity

【正确答案】 A

【答案解析】ability意为“能力”；future意为“未来”；possibility意为“可能性”；opportunity意为“机遇”。for引导的原因状语从句he was a man of considerable ability(很有能力)导致he...promotion(晋升)的结果。
译文：他很快得到了晋升，因为他的上司们认为他是一个很有能力的人。