#! /usr/bin/awk -f    BEGIN &#123;       print toupper&#40;&quot;sAnFoUnDrY_1_$&quot;&#41;    &#125;
A. SANFOUNDRY_1_$
B. sAnFoUnDrY 1 $
C. SaNfOuNdRy_1_$
D. SANFOUNDRY
Answer:A
#! /usr/bin/awk -f    BEGIN &#123;       print toupper&#40;&quot;sAnFoUnDrY_1_$&quot;&#41;    &#125;
A. SANFOUNDRY_1_$ B. sAnFoUnDrY 1 $ C. SaNfOuNdRy_1_$ D. SANFOUNDRY
Explanation:None.