Answer: BA
Analysis:
1.
Xiǎo Hóng: Xiè xiè nǐ de lǐ wù.
小 红：谢 谢 你 的 礼 物。
Xiao Hong: Thank you for your gift.
Xiǎo Míng: Bú kè qi , xī wànɡ nǐ xǐ huān.
小 明：不 客气 ， 希 望 你 喜 欢 。
Xiao Ming: You’re welcome. I hope you like it.
In Chinese, the answer to xiè xiè (谢谢): thank you, is bú kè qi (不客气): you are welcome.
2.
Xiǎo Hóng: Zhēn bào qiàn, wǒ chí dào le.
小 红： 真 抱 歉，我 迟 到 了 。
Xiao Hong: I’m so sorry I’m late.
Xiǎo Míng: Méi guān xi, nǐ jiā tài yuǎn le.
小 明：没 关 系，你家太 远 了。
Xiao Ming: It doesn’t matter. Your home is too far away.
In Chinese, bào qiàn (抱歉) means duì bú qǐ (对不起): I apologize/I’m sorry, so the answer should be méi guān xi (没关系).
Know More About Chinese Grammar: