单选题

You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. In the Services schema， There is a table named Service.Table. The Services.Table has to be moved from the Sales schema to a new schema named Costs. In the options below， which Transact-SQL statement should you execute？（）

A ALTER TABLE Service.Table SWITCH TO Costs.Table1; 

B ALTER SCHEMA CostsTRANSFER Service.Table; 

C ALTER USER Service WITH DEFAULT_SCHEMA = Costs; 

D ALTER AUTHORIZATION ON Service.Table1 TO Costs;