Escoja la respuesta correcta para llenar el blanco. in c++ a block boundary (or scope) is defined with a pair of braces {} parentheses () quotes ' ' brackets []

braces {}.

Explanation:

In c++ we can define the boundary of a block by using a pair of braces{}.

Parenthesis are used to declare arguments in the function definition.

quotes ' ' are used to define a character type variable.

[] brackets are used to define the size of the array.

for ex:-

#include<iostream>

using namespace std;

int main()

{                                     //line 1

int a;

for(int i=0;i<a;i++)

{                                 //line 2

int b=a+1;

cout<<b<<" ";

}                                 //line 3

return 0;

}                          //line 4.

The boundary of main function is from line 1 to line 4 and the boundary of for loop is line 2 to line 3.

answer; i do believe its (d) modem;

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