设是首项大于零的等比数列,则“”是“数列是递增数列”的(  

是首项大于零的等比数列,则“”是“数列是递增数列”的(   )

(A)充分不必要条件                    (B)必要不充分条件

(C)充分必要条件                      (D)既不充分又不必要条件

答案

C    

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