A、11 hours. B、12 hours. C、13 hours. D、14 hours. C本题问的是“Tom离开家多长时间了”(How long has Tom been away from home)，根据女士所说的“He went to th

M: No. 11 Police Station. Can I help you?
W: Yes. It’ s about my son Tom. He went to the school this morning but hasn’ t been back yet and it’ s 8: 00 p. m. now.
M: Just a moment, please. May I have his name?
W: Tom Smith, 112 Broadway.
M: Thank you. Now Mrs. Smith, what is the matter exactly?
W: Well, Tom left home at 7: 00 o’ clock this morning, but just now her teacher called me and asked why Tom didn’ t go to school.
M: Do you think it’ s possible that he went to friend’ s home?
W: I don’ t think so. I called his friends and our neighbors, but none of them had seen Tom today.
M: I see. Now, Let’s move to some details. How old is he?
W: 8 years old. And he is 1. 4 meters’ tall.
M: What’s he wearing?
W: A black shirt, and white shoes, carrying a blue school bag.
M: We’ll do our best to find him, Mrs. Smith. Please try not to worry.
Q17. Where does this conversation most probably take place?
Q18. How long has Tom been away from home?
Q19. What’ s the color of Tom’ s shirt? And what’ s the color of his bag?