#include &lt;stdio.h&gt;    &#40;sizeof double = 8, float = 4, void = 1&#41;    #define PI 3.14    int main&#40;&#41;    &#123;        printf&#40;&quot;%d&quot;, sizeof&#40;PI&#41;&#41;;    &#125;
A. Output is 8
B. Output is 4
C. Output is 1
D. Error, we can’t use sizeof on macro-definitions
Answer:A
#include &lt;stdio.h&gt;    &#40;sizeof double = 8, float = 4, void = 1&#41;    #define PI 3.14    int main&#40;&#41;    &#123;        printf&#40;&quot;%d&quot;, sizeof&#40;PI&#41;&#41;;    &#125;
A. Output is 8 B. Output is 4 C. Output is 1 D. Error, we can’t use sizeof on macro-definitions