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A．0           B．1               C．-          D．

A.0                B．1            C．5               D．

若奇函數(shù)f (x) (x∈R)滿足f (2) = 1，f (x + 2) = f (x) + f (2)，則f (1) = (    )

A．0                    B．1              C．－        D.

若奇函數(shù)f (x) (x∈R)滿足f (2) = 1，f (x + 2) =" f" (x) + f (2)，則f (1) =" (   " )

A．0

B．1

C．－

D．