Mini-Test Answer: empty
Beginner Level 初级 (chūjí)
The right answer to the quiz is C.
Translation:
Zhè shì Mike hé Serena, tāmen hé wǒmen yìqǐ qù páshān. Lana: 这 是 Mike 和 Serena，他们 和 我们 一起去 爬山。
This is Mike and Serena, and they would like to go …