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