C | Variable Declaration and Scope | Question 8

Consider the following C program, which variable has the longest scope?

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int
int main()
{
   int
   // ..
   // ..
}
int
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(A) a
(B) b
(C) c
(D) All have same scope

Answer: (A)
Explanation: a is accessible everywhere.

b is limited to main()

c is accessible only after its declaration.
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