单项选择题


Section A
In this section,, you will hear five short conversations. Each conversation will be read only once. At the end of each conversation, there will be a twenty-second pause. During the pause, read the question and the three choices marked A, B and C, and decide which is the best answer. Then mark the corresponding letter on the answer sheet with a single line through the centre.
What are they talking about

A. Goods delivery.
B. The arrangement of cash.
C. The payment terms.