The angle of intersection of the curves $x^{2}=4 y$ and $y^{2}=4 x$ at point (0,0) is

(A) $0^{\circ}$

(B) $30^{\circ}$

(C) $45^{\circ}$

(D) $90^{\circ}$

The angle of intersection of the curves $x^{2}=4 y$ and $y^{2}=4 x$ at point (0,0) is

(A) $0^{\circ}$

(B) $30^{\circ}$

(C) $45^{\circ}$

(D) $90^{\circ}$

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