考博考试

【单选题】 The concept of internet, ______ has intrigued scientists since the mid-20th century.
A．the transmission of images, sounds and messages over distances
B．transmitting of images, sounds and messages along distances
C．to transmit images, sounds and messages on distance
D．the transmissibility of images, sounds and messages for distances

网考网参考答案：A
网考网解析：
the transmission of images，sounds and messages over distances 是 the concept of internet的同位语。另外，over distance表示“远距离地”。 查看试题解析出处>>