Mini-test answer：Another way to say never mind in Chinese

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The right answer is B.

Translation:             Jīntiān xièxie nǐ, yǒu kòng wǒ qǐng nǐ chīfàn. Lǐ Huá：今天  谢谢  你， 有  空    我    请  你  吃饭。

Hey, thanks for your help today. If you have time I want to buy you dinner.

            Méishìr, dàjiā dōushì tóngshì. Tom：没事儿，大家    都是    同事。

Never mind, we’re colleagues.…