Ellie’ s phone is ringing, she picks it up and answers.
___, nǐ hǎo.
Ellie: ___,你好。
Hello!
Ellie, wǒ shì Mary.
Mary: Ellie,我 是Mary。
Ellie , it’ s Mary.
Shì nǐ ya, yǒu shénme shì ma?
Ellie: 是 你 呀,有 什么 事 吗?
Wow, it’s you, what’s the matter?
Choose the proper one to fill in the blank.
A. 喂(wèi)
B. 哦(ò)
C. 哎(āi)