Which is true of stacking structures? a. Two incidences of the same structure cannot be stacked adjacently. b. When you stack structures, you cannot nest them in the same program. c. Each structure...

Which is true of stacking structures?

a. Two incidences of the same structure cannot be stacked adjacently.

b. When you stack structures, you cannot nest them in the same program.

c. Each structure has only one point where it can be stacked on top of another.

d. When you stack structures, the top structure must be a sequence.