Question

【题目】The safety of food has become one of ________ problems in our daily life.

A. importantB. more important

C. much importantD. the most important

Answer 1

【答案】D

【解析】

句意“食品安全问题已经成为我们日常生活中最重要的问题之一”。根据one of the+形容词最高级+名词复数“最……之一”可知，故选D。