单选题
In no ______ should you do this without help and advice from your doctor-restricting the diet of small children can be very dangerous.
【正确答案】
C
【答案解析】[解析] in(under)no circumstances“条件、情况”是固定搭配，意为“在任何情况下都不”，作为状语放在句首时，句子的主谓结构要倒装，再如：In no circumstances must a soldier leave his post(任何情况下，士兵都不能离开岗位)。perspectives“观点，想法”，restrictions“限制”和consequences“后果，结果”此处都不符合语义或结构的要求。所以，本题选C。