【单选题】

Questions 1 to 3 are based on the following conversation.At the end of the conversation, you will be given 15 seconds to answer the questions.

Now, listen to the conversation.
If without major rescue, how many people would die ofAIDS in the next 20 yearsA．20 million.
B．30 million.
C．40 million.
D．60 million.