A．Good interpersonal relationships. B．Rich working experience. C．Sophisticated equipment. D．High motivation.
参考答案A解析:
What does the speaker say contributes to effectively pursuing a technical task?
A)。详解.短文结尾部分提到，即使是为了有效地解决技术问题，拥有良好的人际关系也会使人们直接受益。由此可知，良好的人际关系会帮助人们有效地完成技术上的任务，故A)为答案。
A．Encourage people to undertake adventures. B．Publicize his colorful and unique life stories. C．Raise people's environmental awareness. D．Attract people to America's national parks.