Select the correct alternative.

• A
  The charge gained by the uncharged body from a charged body due to conduction is equal to half of the total charge initially present.
• B
  The magnitude of charge increases with the increase in velocity of charge.
• C
  Charge can exist without matter,although matter cannot exist without charge.
• D
  Between two non-magnetic substances,repulsion is the true test of electrification (electrification means the body has a net charge).