When a user attempts to go to a website, he notices the URL has changed, which attack will MOST likely cause the problem?

In computing, a Uniform Resource Locator (URL) is a type of Uniform Resource Identifier (URI) that specifies where an identified resource is available and the mechanism for retrieving it. When a user attempts to go to a website, he notices the URL has changed, which attack will MOST likely cause the problem?

A.
ARP poisoning

B.
DLL injection

C.
DNS poisoning

D.
DDoS attack