In SQL Server 2000, which of the following makes a copy of the changes that have been made to the database since the last complete backup?

In SQL Server 2000, which of the following makes a copy of the changes

1.	In SQL Server 2000, which of the following makes a copy of the changes that have been made to the database since the last complete backup?
A.	Complete backup
B.	Transaction Log
C.	Differential backup
D.	None of the above is correct.
Answer» D. None of the above is correct.