Refer to the exhibit.

A checkpoint is created. The first block DB01 will be updated for a second time.
What will happen after the update?

A.
Bitmap value remains unchanged; PFS is updated.

B.
Bitmap value will be changed to 0; PFS is updated.

C.
Bitmap value remains unchanged; SavVol is updated.

D.
Bitmap value will be changed to 0; SavVol is updated.

Explanation: