#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        register auto int i = 10;        i = 11;        printf&#40;&quot;%d\n&quot;, i&#41;;    &#125;
A. 10
B. Compile time error
C. Undefined behaviour
D. 11
Answer:A
#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        register auto int i = 10;        i = 11;        printf&#40;&quot;%d\n&quot;, i&#41;;    &#125;
A. 10 B. Compile time error C. Undefined behaviour D. 11