Final answer:
The sentence that best supports the idea of living a joyful life in "The Mirror of Matsuyama" is D) The husband informs his wife that she is a happy woman reflected in the mirror. The correct answer is option d.
Step-by-step explanation:
The best sentence that supports the idea of living a joyful life in "The Mirror of Matsuyama" is option D) The husband informs his wife that she is a happy woman reflected in the mirror. This option directly addresses the central theme of happiness and the reflection of joy in one's life, which aligns with the joyful and content expressions depicted in the story.
The passages provided offer various perspectives on joy, contentment, and the perception of a happy life, but none align as closely with the theme of the given story as option D.
In the other options, A) The wife waits patiently for her husband's return from his long journey, B) The wife wants others to be encouraged by her pleasant facial expressions, and C) The husband realizes how much he loves his family while he is away from home, we see elements of patience, encouragement, and realizations of love, but not the explicit representation of a joyful life referenced by the husband to the wife about her reflection in the mirror.