A:①②
B:②③
C:②④
D:③④
A: Can I help you?
B: Yes. The green scarf is very pretty. How much is it?
A: It's $100.
B: It's too expensive. What about the sunglasses?
A: They're $20.
B: They're cheap. I like them.
如图为“某地区等高线图”,读图判定该地区的地形类型以及A点和甲村的相对高度分别是( )