21-03NA 阅读 Q28

第8段的means和以下哪个词意思最相近。蜜蜂不只是在copy他们看到的东西，还在运用最简单的方式去improve，means在这里的意思是something useful or helpful to a desired end 方法，对应C approach：the taking of preliminary steps toward a particular purpose
A instrument: used by another as a means or aid 工具
C design:a particular purpose or intention held in view by an individual or group 设计
D result: something that results as a consequence, issue, or conclusion 结果