单项选择题

M: This soup is delicious. What’s in it, Mary
W: I am sorry, what
M: You know sometimes I think you watch too much TV.
W: Oh, I hardly ever watch TV.
M: Are you serious
W: Well, sometimes I watch the morning shows and I usually watch the late movies.
M: And you always have dinner in front of the TV. I mean, you never talk to me.
W: Yes, I do. I talk to you during commercials.

What are the two speakers doing（）.

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