Which of these statements best defines scope?
a. Scope refers to the classes that have access to a variable.
b. Scope determines whether a variable’s value can be altered.
c. Scope is the portion of a program that can refer to an entity by its simple name.
d. Scope allows the programmer to use a class without using its fully qualified name.
c. Scope is the portion of a program that can refer to an entity by its simple name.
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