Which of the Following Circumstances Will Result in the Claimant

Which of the following circumstances will result in the claimant potentially losing his right to an indemnity following alteration of the register?

A) He granted a charge prior to claiming the indemnity
B) Loss was caused by his own fraud
C) He contributed to his loss through his own lack of care
D) It is more than six years after the claimant became (or should have became) aware that he had a claim