问题
选择题
_____ snacks and drinks, but they also brought cards for entertainment when they had a picnic in forest.
A．Not only they brought
B．Not only did they bring
C．Not only brought they
D．Not only they did bring
答案
答案：B
当not only ... but(also) ...连接两个分句，且not only位于句首时，则它后面的分句要用倒装语序（助动词 / 系动词提到主语之前），而but(also)后的分句不用倒装。