#include &lt;stdio.h&gt;    void main&#40;&#41;    &#123;        m&#40;&#41;;        printf&#40;&quot;%d&quot;, x&#41;;    &#125;    int x;    void m&#40;&#41;    &#123;        x = 4;    &#125;
A. 4
B. Compile time error
C. 0
D. Undefined
Answer:A
#include &lt;stdio.h&gt;    void main&#40;&#41;    &#123;        m&#40;&#41;;        printf&#40;&quot;%d&quot;, x&#41;;    &#125;    int x;    void m&#40;&#41;    &#123;        x = 4;    &#125;
A. 4 B. Compile time error C. 0 D. Undefined