I just took this test, and the CREATE LOGIN is now looking like this. When I pasted all four into a SQL Query, I get syntax errors on the last 3. I selected the last one as the incorrect one, but the reality is, these questions are fairly stupid.
CREATE LOGIN [HumanResources\JohnSmith] FROM WINDOWS
CREATE LOGIN AndrewWalters WITH PASSWORD ='abcxyz123', DEFAULT DATABASE = HR
CREATE LOGIN PatriciaSmith WITH PASSWORD ='Abcxyz$123'
CREATE LOGIN [HumanResources\CarlyMason] FROM WINDOWS, DEFAULT DATABASE=CRM