单选题 Many advertisers remain ______ of the Internet and question how heavily to rely on it.
【正确答案】 C
【答案解析】[解析] A项“inconsistent”意为“不一致的,不协调的”;B项“supportive”意为“支持的,维持的”;C项“skeptical”意为“惯于怀疑的,表示怀疑的”;D项“prospective”意为“预期的,未来的,即将发生的”。本句是说客户对互联网持怀疑态度,因此选择C。