多选题Which three statements describe the functionality of the DO_KEY built-in?（）AIt accepts both a built-in and a key name as argument.BIf no key trigger is defined, the specified built-in executes.CIts parameter must be specified in upper case, enclosed in
题目
多选题
Which three statements describe the functionality of the DO_KEY built-in?（）
A
It accepts both a built-in and a key name as argument.
B
If no key trigger is defined, the specified built-in executes.
C
Its parameter must be specified in upper case, enclosed in single quotation marks.
D
It performs the same task as if you pressed the function key associated with the specified argument.
E
It executes the key trigger that corresponds to the built-in specified as its parameter.