&lt;?php$a = 10;$b = 4;$c = fun&#40;10,4&#41;;function fun&#40;$a,$b&#41;&#123;    $b = 3;    return $a - $b + $b - $a; &#125;echo $a;echo $b;echo $c;?&gt;
A. 104
B. 410
C. 1400
D. 4100
Answer:A
&lt;?php$a = 10;$b = 4;$c = fun&#40;10,4&#41;;function fun&#40;$a,$b&#41;&#123;    $b = 3;    return $a - $b + $b - $a; &#125;echo $a;echo $b;echo $c;?&gt;
A. 104 B. 410 C. 1400 D. 4100
Explanation: The value returned from the function is 0, and value of a is 10, value of b is 4 and c is 0.