What Is the Difference Between Registered Bonds and Bearer Bonds

What is the difference between registered bonds and bearer bonds?

A) Registered bonds must be registered with the government of Canada,but bearer bonds do not.
B) Registered bonds generally pay lower rates of interest than bearer bonds.
C) Registered bondholders automatically receive interest cheques,but holders of bearer bonds must clip coupons and send them to the company.
D) Registered bonds have lower financial risk than bearer bonds.
E) There is no practical difference between registered and bearer bonds.