Which of the Following Statements Regarding the Registration of Domain

Which of the following statements regarding the registration of domain names and trademarks is true

A) Registration of domain name precludes someone from registering a trademark.
B) Where trademarks are infringed, it will be no defence to show one registered a domain name.
C) The registration of domain names overrules trademark law.
D) The Canadian Internet Registration Authority determines whether a domain name constitutes trademark infringement.
E) A business is entitled to its own unique domain name regardless of trademark law.