A:in that
B:in which
C:on which
D:at which
①概____(A.kài B.gài)
②栽____(A.zhāi B.zāi)
③暇____(A.xiá B.jiá)
④颇____(A.pō B.bō)
图中,甲的周长和乙的周长相比( )