A 3G mobile phone, to be most useful and fashionable, is popular with some teenagers.
A. consider
B. considering
C. considered
D. to be considered
网友回答
A. consider
B. considering
(答案→)C. considered
D. to be considered
解析: 考查过去分词作定语。be considered to be 被认为,句意:被认为是最有用最时尚的3G手机在一些青少年中很受欢迎。Considered作定语修饰A 3G mobile phone,所以选C。