Whichtwostatementsaretrueaboutmousebuttonvariables?（）A.SYSTEM.MOUSE_BUTTON_PRESSED returns a string. B.SYSTEM.MOUSE_BUTTON_PRESSED returns a numeric value. 1Z0-132 World Leaders In Certifications Material - Test-king.com C.A possible value for SYSTEM.MOUSE_BUTTON_MODIFIERS is Control+Alt+Delete. D.SYSTEM.MOUSE_BUTTON_MODIFIERS can only be references in form-level triggers. E.SYSTEM.MOUSE_BUTTON_MODIFIERS identifies which special key was pressed in conjunction with the usual mouse button action.

多项选择题

Which two statements are true about mouse button variables?（）

A.SYSTEM.MOUSE_BUTTON_PRESSED returns a string.
B.SYSTEM.MOUSE_BUTTON_PRESSED returns a numeric value. 1Z0-132 World Leaders In Certifications Material - Test-king.com
C.A possible value for SYSTEM.MOUSE_BUTTON_MODIFIERS is Control+Alt+Delete.
D.SYSTEM.MOUSE_BUTTON_MODIFIERS can only be references in form-level triggers.
E.SYSTEM.MOUSE_BUTTON_MODIFIERS identifies which special key was pressed in conjunction with the usual mouse button action.