How Would You Expect a Child in the Tertiary Circular

How would you expect a child in the tertiary circular reactions stage of Piaget's substages to pull a stick through the bars of her playpen?

A) Because she learned to tilt the stick in her first attempt at pulling it through the bars, she will do this again on her second and subsequent attempts.
B) She will quickly give up if she has difficulty pulling the stick through the bars of the playpen.
C) She will require multiple trials and experience multiple errors while solving the problem of getting the stick through the playpen bars.
D) She will quickly grasp the concepts involved in pulling the stick through the playpen bars and systematically apply this concept in future attempts to pull the stick through the playpen bars.