According to the interviews Chris Quinn mentioned, the reason why travelers in the airport didn't choose Telecom New Zealand is that________.根据Chris Quinn提到的采访，机场旅客们没有选择新西兰电信公司的电话卡的原因是_______。

A．Vodafone was cheaper than Telecom New Zealand 沃达丰比新西兰电信更便宜
B．Vodafone was more famous than Telecom New Zealand 沃达丰比新西兰电信更有知名度
C．Vodafone's brand was more obvious than Telecom New Zealand 沃达丰的商标比新西兰电信更显眼
D．Vodafone's service was better than Telecom New Zealand 沃达丰的服务比新西兰电信更好