Question: // The main program var X; function subl() [ var X function sub2) { function sub3) { Assume that the execution of this program is

// The main program var X; function subl() [ var X function sub2) { function sub3) { Assume that the execution of this program is in the following unit order: main calls sub1 subl calls sub2 sub2 calls sub3 a. Assuming static scoping, in the following, which declaration of x is the correct one for a reference to X? i. subl ii. sub2. sub3 b. Repeat part a, but assume dynamic scoping
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