The technical possibility could well exist, therefore, of nationwide integrated transmission network of high capacity, controlled by computers, inter-connected globally by satellite and submarine cable, providing speedy and reliable communications throughout the world.下面哪句译文更为准确?

A、这种可能性从技术上来讲是完全存在的,建立全国统一的大容量的通信网络,由计算机进行控制,通过卫星和海底电缆为全球提供快速可靠的通讯服务。



B、 建立全国统一的大容量的通信网络,由计算机进行控制,通过卫星和海底电缆为全球提供快速可靠的通讯服务,这种可能性从技术上来讲是完全存在的。