In the keypad application, just after the 4 ms mark the simulation imitates the release of the key by changing the column value back to F hex, which causes the d output to go into its Hi-Z state. On the next rising clock edge, what happens to dav?

• A. It goes HIGH.
• B. It goes LOW.
• C. It goes to Hi-Z.
• D. It goes to 1111H.