What is the scoring system for the '¿Qué debes hacer si...?' task in the PLON-R Cuadernillo de anotación 6 años?

I. The scoring system is based on the number of correct responses
II. The maximum score is 1 point
III. A partial score of 0.5 points can be given if the child provides either a sequence or a solution
IV. A score of 0 points is given if the child does not provide a sequence or a solution
a. I, II, and III are correct
b. II, III, and IV are correct
c. I, III, and IV are correct