单选题 In this text the extraordinary evolution refers to______.

A、 the appearance of the smaller, low-cost and powerful computers.
B、 the interrelated telephone wires, optic fibers, undersea cables, microwave links.
C、 the popularity of TV channels and satellite communication.
D、 the fast development of computer and communication technology.

【正确答案】 D

【答案解析】[解析] 考生必须捕捉到computers．．．simultaneously our world has become interlaced with．．．at the crossing of these two developments．．．computer technology intersecting with communication technology等关键信息词，才能做出正确的答案。