A.2岁
B.4岁
C.6岁
D.8岁
E.12岁
[单选题]A.向后B.向前C.向左侧D.向右侧E.以上都不是
[单选题]A.32B.36C.156D.182
[单选题]A.32B.36C.156D.182
[单选题]A.32B.36C.156D.182
[单选题]A.32B.36C.156D.182
[单选题]A.32B.36C.156D.182
[单选题]A.-2或3B.2或3C.2或-3D.-2或-3
[单选题]A.-2或3B.2或3C.2或-3D.-2或-3
[单选题]( ).A.B.C.D.