题干
---Is that the small town you often refer to?
---Right, just the one _______ you know I used to live for years.
A：that
B：which
C：where
D：what
答案(点此获取答案解析）
C
V时，灯泡L1、L2均正常发光，电压表和电流表可视为理想电表．则下列说法中正确的是