Versailles literature refers to a way of speaking in a low-key but actually self-showing way of speaking in a variety of public occasions by suppressing and then raising, openly derogating and praising.
The option 'Friends envied Mr. Zheng's good living habits, and he explained many times why: when he was a child, his family was very poor, and he often had a bowl of gruel for dinner in the evening. In order not to starve, he had to go to bed early and get up early to form such a habit' belongs to Versailles literature.