单选题 Do you think I should get a good guidebook? Yes, of course. ______, you also need a good camera and comfortable shoes.
【正确答案】 A
【答案解析】你认为我需要一本好指南吗?当然。此外，你还需要一部好的照相机和一双舒适的鞋。B换句话说，相当于that is to say。C顺便说一下。D总而言之。