Let the parabola \( y = x^2 + px - 3 \), meet the coordinate axes at the points \( P, Q \) and \( R \). If the circle \( C \) with centre at \( (-1, -1) \) passes through the points \( P, Q \) and \( R \), then the area of \( \triangle PQR \) is:
\( 5 \)
\( 6 \)
\( 4 \)
\( 7 \)
