单选题 It is crucial that a broad set of people—not just technologists or those who happen to be in the computer industry______in the debate about how this technology should be shaped.
【正确答案】 D
【答案解析】解析：句子大意为：至关重要的是，要让更多的人参加此次有关该技术应如何发展的辩论，而不仅仅是技术人员或计算机行业内的人员。四个选项中只有选项D是“参加”之意。