Consider the following statements regarding paramagnetic substances:
$A$. They are weakly attracted by an external magnetic field.
$B$. They are strongly attracted by an external magnetic field.
$C$. Their magnetic susceptibility $(\chi)$ is small and positive.
$D$. In a non-uniform magnetic field, they move from a region of strong magnetic field to a region of weak magnetic field.
Which of the above statements are correct?

• A
  Only $A, C$
• B
  Only $B, D$
• C
  Only $A, B, C$
• D
  $A, B, C, D$