补全对话。

M: Hello, Tim. __1__?

T: I'm fine, thank you. What about you, Mary?

M: I'm OK, thanks. Do you like some tea?

T: __2__. Do you have any orange juice (果汁)?

M: Of course. Let me get you some orange juice.

T: Thanks very much. Is this the photo of your family?

M: Yes, it is.

T: And is the boy with a basketball your brother?

M: Yes, __3__.

对网络服务的监督内容包括（）1.解答质量；2.服务礼仪；3.解答及时性；4.服务禁忌行为。

A、1234

B、123

C、134

D、234