圆\(C_{1}:x^{2}+y^{2}+2x+4y+1=0\)与圆\(C_{2}:x^{2}+y^{2}-4x-4y-1=0\)的公切线有几条\((\)　　\()\)

A．\(1\)条

B．\(2\)条

C．\(3\)条

D．\(4\)条

【考点】两圆的公切线条数及方程的确定

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