Which Transact-SQL statement should you use?

You administer a SQL Server 2012 server that contains a database named SalesDb. SalesDb contains
a schema named Customers that has a table named Regions. A user named UserA is a member of a
role named Sales. UserA is granted the Select permission on the Regions table. The Sales role is
granted the Select permission on the Customers schema. You need to ensure that UserA is
disallowed to select from any of the tables in the Customers schema. Which Transact-SQL statement
should you use?

A.
DENY SELECT ON Object::Regions FROM UserA

B.
DENY SELECT ON Object::Regions FROM Sales

C.
REVOKE SELECT ON Schema::Customers FROM Sales

D.
REVOKE SELECT ON Schema::Customers FROM UserA

E.
REVOKE SELECT ON Object::Regions FROM Sales

F.
REVOKE SELECT ON Object::Regions FROM UserA

G.
DENY SELECT ON Schema::Customers FROM Sales

H.
DENY SELECT ON Schema::Customers FROM UserA

I.
EXEC sp_addrolemember ‘Sales’, ‘UserA’

J.
EXEC sp droprolemember ‘Sales’, ‘UserA’

Explanation:
According to these references, this answer looks correct.
Reference:
http://msdn.microsoft.com/en-us/library/ms188369.aspx
http://msdn.microsoft.com/en-us/library/ms187750.aspx
http://msdn.microsoft.com/en-us/library/ff848791.aspx