A.13
B.14
C.13.5
D.14.5
[单选题]9,17,13,15,14,( )A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )A.13 B.14 C.13.5 D.14.5
[单选题]9,17,13,15,14, ( )。A. 13B. 14C. 13.5D. 14.5
[单选题]9,17,13,15,14,______ ( )A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )。A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )。A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )。A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )。A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )。A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )。A.13B.14C.13.5D.14.5
[单选题]9,17,13,15,14,( )。A.13B.14C.13.5D.14.5