In the TV ad, the actress is asked to jump with her mouth open, showing her teeth.
A. wide; sounding
B. widely; sounding
C. wide; sound
D. widely; sound
网友回答
A. wide; sounding
B. widely; sounding
(答案→)C. wide; sound
D. widely; sound
解析：C 考查副词和形容词。句意：电视广告里，女演员被要求在跳起来的同时，完全张开嘴巴，展示她健康的牙齿。wide和widely都为副词，wide形容具体的行为和动作，说明的动作或状况有可测量性和可见性；widely形容抽象的行为和状况。这里嘴巴完全张开的动作是具体的、可见的，故用wide。sounding“发出声音的”，sound“健全的，健康的”。根据语境可知，应用sound。故答案选C项。