单项选择题

A. Change the connection string as follows:Data Source=DB01;Initial Catalog=Trades;UID=mhamm; PWD=password;"
B. Create a login for Mia Hamm on DB01.
C. Create a database user object in Trades and map the object to the SQL Server 2005 Login of Mia Hamm.
D. Change the connection string as follows:"Server=DB01;Database=Trades;UID=mhamm;PWD=password;"