Assertion : Ferromagnetic substance attracts the external magnetic field lines

Reason: Permeability of ferromagnetic substances is very high

Assertion: Diamagnetic materials can exhibit magnetism.

Reason: Diamagnetic materials have a permanent magnetic dipole moment.

Assertion: In high latitude, one sees colourful curtains of light hanging down from high altitudes.

Reason: The high energy charged particles from the sun are deflected to polar regions by the magnetic field of the earth.

Two identical bar magnets are fixed with their centres at a distance $\mathrm{d}$ apart. A stationary charge $\mathrm{Q}$ is placed at $P$ in between the gap of the two magnets at a distance $D$ form the center  $O$ as shown in the figure

The force on the charge is

There are four light-weight-rod samples, $A, B, C, D$ separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted.
i. $A$ is feebly repelled.
ii. $B$ is feebly attracted.
iii. $C$ is strongly attracted.
iv. $D$ remains unaffected. 
Which one of the following is true?