______snacks but they also brought cards for entertainment when they had a picnic in the garden.
【正确答案】 B
【答案解析】解析:句意:当他们在花园里野餐时,他们不仅带来了零食,还带了扑克牌来娱乐。在“not only…but also…”结构中,not only置于句首时,其引导的句子应倒装。故选B。