#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        int n;        scanf&#40;&quot;%d&quot;, n&#41;;        printf&#40;&quot;%d\n&quot;, n&#41;;        return 0;    &#125;
A. Compilation error
B. Undefined behavior
C. Whatever user types
D. Depends on the standard
Answer:A
#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        int n;        scanf&#40;&quot;%d&quot;, n&#41;;        printf&#40;&quot;%d\n&quot;, n&#41;;        return 0;    &#125;
A. Compilation error B. Undefined behavior C. Whatever user types D. Depends on the standard