For each set of Cartesian coordinates $(x, y)$, match the equivalent set of Polar coordinates $(r,\theta )$, with $-\pi \leq \theta \leq \pi$

1. $(1.5 , 5.8)$
2. $(-6.3 , 2.9)$
3. $(-5.9 , 9.6)$
4. $(5.8 , 7.5)$

A. $( 9.4810 , 0.6583 )$
B. $( 6.9354 , -1.1394 )$
C. $( 5.9908 , 0.2531 )$
D. $( 11.2681 , -0.5511 )$