Which Of The Following Statements About Global Variables Is True?

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Which Of The Following Statements About Global Variables Is True?

a. A global variable is accessible only to the main function. b. A global variable is declared in the highest-level block in which it is used. c. A global variable can have the same name as a variable that is declared locally within a function. d. If a function contains a local variable with the same name as a global variable, the global variable's name takes precedence within the function. e. All of these are true.
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c. (A global variable can have the same name as a variable that is declared locally within a function.)
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