已知极坐标平面内的点\(P\left(2,- \dfrac{5π}{3}\right) \)，则\(P\)关于极点的对称点的极坐标与直角坐标分别为(    )

A．  \(\left(2, \dfrac{π}{3}\right),\left(1, \sqrt{3}\right) \)

B．\(\left(2,- \dfrac{π}{3}\right),\left(1,- \sqrt{3}\right) \)

C．\(\left(2, \dfrac{π}{3}\right),\left(-1, \sqrt{3}\right) \)

D．\(\left(2,- \dfrac{2π}{3}\right),\left(-1,- \sqrt{3}\right) \)

【考点】极坐标系,平面直角坐标系

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