#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        int a = 1, b = 2, c = 3;        int *ptr1 = &amp;a;        int **sptr = &amp;ptr1;        //-Ref    &#125;
A. *sptr = &c;
B. **sptr = &c;
C. *ptr1 = &c;
D. None of the mentioned.
Answer:A
#include &lt;stdio.h&gt;    int main&#40;&#41;    &#123;        int a = 1, b = 2, c = 3;        int *ptr1 = &amp;a;        int **sptr = &amp;ptr1;        //-Ref    &#125;
A. *sptr = &c; B. **sptr = &c; C. *ptr1 = &c; D. None of the mentioned.