&lt;?phpfunction mine&#40;$num&#41;&#123;    $num = 2 + $num;    echo &quot;$num&quot;;&#125;mine&#40;3&#41;;?&gt;
A. 3
B. $num
C. 5
D. None of the above
Answer:A
&lt;?phpfunction mine&#40;$num&#41;&#123;    $num = 2 + $num;    echo &quot;$num&quot;;&#125;mine&#40;3&#41;;?&gt;
A. 3 B. $num C. 5 D. None of the above
Explanation: The function is defined as echo “$num”.This means $num is treated as a string and not as a variable.