The Figure Shows a Uniform Rod (Length L = 1

The figure shows a uniform rod (length L = 1.0 m, mass = 2.0 kg) suspended from a pivot a distance d = 0.25 m above its center of mass. The angular frequency (in rad/s) for small oscillations is approximately ​ ​

A) 1.0.
B) 2.5.
C) 1.5.
D) 4.1.
E) 3.5.