单选题 Unfortunately, the technology employed to send men to the moon is not relevant to the solution of the problems of the inner city.
【正确答案】 D
【答案解析】relevant(to)“相关联的”，related意为“有关的”，两者意思相近。resultant“作为结果的”；responsible“承担责任的，作为原因的”；reliant(no)“依赖的”。