Question: #12. (5 points) Consider the following program, written in JavaScript-like syntax: Given the following calling sequences and assuming that dynamic scoping is used, what variables

$\#12. (5 points) Consider the following program, written in JavaScript-like syntax:$

\#12. (5 points) Consider the following program, written in JavaScript-like syntax: Given the following calling sequences and assuming that dynamic scoping is used, what variables are visible during the execution of the last subprogram activated? Include with each visible variable the name of the unit where it is declared. a. main calls sub1; sub1 calls sub2; sub2 calls sub3. b. main calls sub1; sub1 calls sub3. c. main calls sub2; sub2 calls sub3; sub3 calls sub1. d. main calls sub3; sub3 calls sub1. e. main calls sub3; sub3 calls sub2; sub2 calls sub1. \#12. (5 points) Consider the following program, written in JavaScript-like syntax: Given the following calling sequences and assuming that dynamic scoping is used, what variables are visible during the execution of the last subprogram activated? Include with each visible variable the name of the unit where it is declared. a. main calls sub1; sub1 calls sub2; sub2 calls sub3. b. main calls sub1; sub1 calls sub3. c. main calls sub2; sub2 calls sub3; sub3 calls sub1. d. main calls sub3; sub3 calls sub1. e. main calls sub3; sub3 calls sub2; sub2 calls sub1

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