When You Have Frozen Rows and Columns, What Happens When

When you have frozen rows and columns, what happens when you press the Ctrl+Home combination?

A) A1 becomes the active cell.
B) Column A and whatever row was active when you pressed the combination becomes the active cell.
C) Row 1 and whatever column was active when you pressed the combination becomes the active cell.
D) The first unfrozen cell becomes the active cell.