W: We don’t seem to have a reservation for you, sir, I’m sorry.
M: But my secretary said that she had reserved a room for me here. I phoned her from the airport this morning just before I got on board the plane.
Q: Where does the conversation most probably take place().

A. At the airport.

B. In a restaurant.

C. In a booking office.

D. At the hotel reception.

钢丝绳用编结方法连接时，编结长度应大于钢丝绳直径的（）倍；且不得少于（）mm。

A.10；300

B.15；300

C.15；200