听力原文：M: Jane. shall we go through the inventory then？ Let's start with coal.F: We have

听力原文：M: Jane. shall we go through the inventory then？ Let's start with coal.

F: We have about 45 tons. But we are supposed to have 70 tons.

M: So we've got too little. We'd better order some more. How about gas？

F: I think we have enough stock for that.

M: OK, thank you then.

•For questions 1-8, you will hear eight short recordings.

•For each question, mark one letter (A, B or C) for tile correct answer.

•You will hear the eight recordings twice.

What is the recommended stock of coal？

A．115 tons.

B．45 tons.

C．70 tons.