Option C is the one that best presents the point of conflict that develops the theme that practice leads to improvement. This option shows that: "over and over I flipped the colors/but still everything was missing (lines 28 and 29)."
In the line presented in option C, we can see that the speaker feels frustrated because no matter how much he redoes his activities, it does not seem that he arrives at a satisfactory result.
However, the more activities are repeated, the more errors are resolved and the speaker can take one more step towards perfection and the satisfactory completion of the activity.
More information on the theme of a text is in the link:
https://brainly.com/question/4008478