#include &lt;iostream&gt;    #include &lt;string&gt;    using namespace std;    int main&#40;&#41;     &#123;        string s = &quot;a long string&quot;;        s.insert&#40;s.size&#40;&#41; / 2, &quot; * &quot;&#41;;        cout &lt;&lt; s &lt;&lt; endl;        return 0;    &#125;
A. a long* string
B. a long st*ring
C. Depends on compiler
D. None of the mentioned
Answer:A
#include &lt;iostream&gt;    #include &lt;string&gt;    using namespace std;    int main&#40;&#41;     &#123;        string s = &quot;a long string&quot;;        s.insert&#40;s.size&#40;&#41; / 2, &quot; * &quot;&#41;;        cout &lt;&lt; s &lt;&lt; endl;        return 0;    &#125;
A. a long* string B. a long st*ring C. Depends on compiler D. None of the mentioned
Explanation:In this program, We are placing the string based on the size of the string and it is a string hierarchicy.