#include &lt;iostream&gt;    using namespace std;    void func&#40;int x&#41;    &#123;        cout &lt;&lt; x ;    &#125;    int main&#40;&#41;    &#123;        void &#40;*n&#41;&#40;int&#41;;        n = &amp;func;        &#40;*n&#41;&#40; 2 &#41;;        n&#40; 2 &#41;;        return 0;    &#125;
A. 2
B. 20
C. 21
D. 22
Answer:A
#include &lt;iostream&gt;    using namespace std;    void func&#40;int x&#41;    &#123;        cout &lt;&lt; x ;    &#125;    int main&#40;&#41;    &#123;        void &#40;*n&#41;&#40;int&#41;;        n = &amp;func;        &#40;*n&#41;&#40; 2 &#41;;        n&#40; 2 &#41;;        return 0;    &#125;
A. 2 B. 20 C. 21 D. 22