Q:Question:record instances, including static and dynamic chains, when execution reaches position 1 in the following skeletal program. Assume BIGSUB is at level 1. Procedure BIGSUB; Procedure C; Procedure D; End; {D} D; End; {C} Procedure A(f: boolean); Procedure B; A (false) End; {B} If f then B else C End; {A} A(true); End; {BIGSUB } The calling sequence for this program for execution to reach D is BIGSUB calls A A calls B B calls A A calls C CA:Answer:Solution Answer Explanation Bigsub calls A A calls...