A.1<y<3
B.2<y<4
C.1<y<4
D.3<y<5
E.2<y<5
[单选题]A.1<y<3B.2<y<4C.1<y<4D.3<y<5E.2<y<5
[单选题]A.B.C.D.
[单选题]A.-4B.C.D.4/5E.3