Relative permittivity and permeability of a material are $\varepsilon_r$ and $\mu_r$ respectively. Which of the following values of these quantities are allowed for a diamagnetic material?

• A
  $\varepsilon_r = 1.5, \mu_r = 1.5$
• B
  $\varepsilon_r = 0.5, \mu_r = 1.5$
• C
  $\varepsilon_r = 1.5, \mu_r = 0.5$
• D
  $\varepsilon_r = 0.5, \mu_r = 0.5$