snacks and drinks, but they brought cards for entertainment when they had a picn
来源：网络
时间：
推荐文章
_______ snacks and drinks, but they broughtcards for entertainment when they had a picnic in South Bank Parklands.
| A．Not only they did bring | B．Not only did they bring |
| C．Not only brought they | D．Not only they brought |
试题答案
【答案】
B
【解析】考察倒装句。当not only 放句首时要用部分倒装，即提前be动词，助动词，情态动词。