FILL_IN_THE_BLANK:DEV-C + + undo shortcut

DEV-C + + undo shortcut
In the windows environment, using DEV-C + + integrated development environment.
-Go back and use the @ [D] (1) key
-Redo with the @ @ [C] (1) key
A) `Ctrl` + `W`
B) `Ctrl` + `X`
C) `Ctrl` + `Y`
D) `Ctrl` + `Z`
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Note: Please fill in capital letters.







answer：Empty 1: D||
Empty 2: C||