A． Nationwid
B． Oversea
C． In large citie
D． In remote town
参考答案C
解析:细节题。由“AT&T has acknowledged that it has faced Some difficulties，particularly in big cities．”可知，答案为[c].
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单选题
Where is the presence of security patrols most evident?
[A] Where matches take place.
[B] Where protests may take place.
[C] In downtown Vancouver.
[D] Around the athletes' village.
Where is the presence of security patrols most evident?
[A] Where matches take place.
[B] Where protests may take place.
[C] In downtown Vancouver.
[D] Around the athletes' village.
A． Political protests during the Olympic
B． Security operations during the Olympic
C． Olympics' security force
D． Security measures in building
