#include &lt;iostream&gt;    #include &lt;string&gt;    using namespace std;    int main &#40;&#41;    &#123;        string str &#40;&quot;Test string&quot;&#41;;        for &#40; string :: iterator it = str.begin&#40;&#41;; it != 5; ++it&#41;            cout &lt;&lt; *it;        return 0;    &#125;
A. Test
B. string
C. Test string
D. Error
Answer:A
#include &lt;iostream&gt;    #include &lt;string&gt;    using namespace std;    int main &#40;&#41;    &#123;        string str &#40;&quot;Test string&quot;&#41;;        for &#40; string :: iterator it = str.begin&#40;&#41;; it != 5; ++it&#41;            cout &lt;&lt; *it;        return 0;    &#125;
A. Test B. string C. Test string D. Error
Explanation:In the for loop, We are not allowed to give a numeric value in string, So it is arising an error.