Nobody had predicted the scale of impact of （ ） communications and that it world
Nobody had predicted the scale of impact of （ ） communications and that it world be one of the largest businesses in the history of mankind with and immense impact on all economies.[1分]
A.microwave
B.satellite
C.cell
D.cellular
正確答案：D
詞條內容僅供參考，如果您需要解決具體問題
（尤其在法律、醫學等領域），建議您咨詢相關領域專業人士。