Final answer:
The author introduces the theme when Yen takes the coins, and shapes the theme with Yen's reaction A) hearing grandpa calling his name and B) getting the candy. The author refines the theme with C) Yen's reluctance to tell his mother the truth and his attempt to hide the candy from her.
Step-by-step explanation:
The author develops the story's theme from the beginning to the end of the passage by introducing, shaping, and refining the theme through the character of Yen.
The author introduces the theme when Yen takes the coins, and shapes the theme with Yen's reaction to various events such as hearing grandpa calling his name and getting the candy.
The author refines the theme with Yen's reluctance to tell his mother the truth and his attempt to hide the candy from her. These events and Yen's actions demonstrate the theme of honesty and the consequences of deception.