#include &lt;stdio.h&gt;    void main&#40;&#41;    &#123;        char *str = &quot;&quot;;        do        &#123;            printf&#40;&quot;hello&quot;&#41;;        &#125; while &#40;str&#41;;    &#125;
A. Nothing
B. Run time error
C. Varies
D. Hello is printed infinite times
Answer:A
#include &lt;stdio.h&gt;    void main&#40;&#41;    &#123;        char *str = &quot;&quot;;        do        &#123;            printf&#40;&quot;hello&quot;&#41;;        &#125; while &#40;str&#41;;    &#125;
A. Nothing B. Run time error C. Varies D. Hello is printed infinite times