Match the followings:
| A. Primitive Stage | I. Beginning to use symbols or words meaningfully |
| B. Naive Stage | II. Experimenting with sound production without understanding meaning |
| C. External Stage | III. Internal speech development |
| D. Ingrowth Stage | IV. Speech for controlling the behavior of others |
1
A-I, B-II, C-III, D-IV
2
A-II, B-I, C-III, D-IV
3
A-II, B-I, C-IV, D-III
4
A-IV, B-III, C-II, D-I