Which statement from the following is correct for homolytic fission?

• A
  In this,a single electron of the shared pair moves to one of the bonded atoms and the other to the other atom.
• B
  In this,electron-deficient and electron-rich species are formed.
• C
  In this,an electronegative atom pulls both electrons of the shared pair.
• D
  In this,the carbon free radical formed has $sp^3$ hybridization.