139,69,35,17,9,( )
A. 3 B. 4C. 4.5 D. 5
34,35,69,104, ()A.138 B.139 C.173 D.179
34,35,69,104,()A.138 B.139 C.173 D.179
:34,35,69,104,()。A.138 B.139 C.173 D.179
34,35,69,104, () A.138 B.139 C.173 D.179
34,35,69,104,()。 A.138B.139C.173D.179
34,35,69,104,()。 A.138 B.139 C.173 D.179