His ideas are invariably condemned as______by his colleagues.
【正确答案】 C
【答案解析】解析:题干:他的观点被同事一致谴责为不切实际。imaginative想象的;ingenious机灵的,有独创性的;impractical不切实际的;theoretical理论的。前边的谓语动词condemned决定后边的形容词应该是贬义的。