The correct answer to this open question is the following.
You forgot to include the options of the question. However, we can say the following.
Charles and Emilia are engaging in "mindfulness."
This means that although they are both comparing the much better facilities they have in their country, they are also aware that they are visiting a very different nation with its own customs, culture, and services. So they accept that fact. They do not judge or criticize. Those factors are not going to hinder their good times in China. They have a broad mind and accept that there, the circumstances are different.
