D. Read and say.

Andy: Hello, Tamal! How is your grandmother?

Tamal: Hi! She's fine, thanks.

Andy: Come, let me introduce my colleagues. Hi, everybody.This is Tamal. And Tamal, meet Mr. Saha and Mrs. Haider. And this is Ms. Smith. She's a new English teacher here.

Ms. Smith: Hello, Tamal. Nice to meet you.

Tamal: Hello, everybody! Nice meeting you, too.