#include &lt;stdio.h&gt;    #define COLD    int main&#40;&#41;    &#123;        #ifdef COLD        printf&#40;&quot;COLD\t&quot;&#41;;        #undef COLD        #endif        #ifdef COLD        printf&#40;&quot;HOT\t&quot;&#41;;        #endif    &#125;
A. HOT
B. COLD
C. COLD HOT
D. No Output
Answer:A
#include &lt;stdio.h&gt;    #define COLD    int main&#40;&#41;    &#123;        #ifdef COLD        printf&#40;&quot;COLD\t&quot;&#41;;        #undef COLD        #endif        #ifdef COLD        printf&#40;&quot;HOT\t&quot;&#41;;        #endif    &#125;
A. HOT B. COLD C. COLD HOT D. No Output