During the Prepare Phase of the Two-Phase Commit____

During the prepare phase of the two-phase commit____.

A) only the site issuing the update request writes the update to its database
B) all of the involved sites write the update to their logs
C) all of the involved sites write the update to their databases
D) all of the sites except the site issuing the update request write the update to their logs
E) all of the sites except the site issuing the update request write the update to their databases