Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions.

What are the two main points under discussion().

A. it is cheaper and faster than ordinary marl.
B. it is faster and not much more expensive than mail.
C. it can send things that could not be expressed by telex.
D. the Royal Mail could not reach places abroad.

A. The U.S. charity, Save the Children, in Vietnam.
B. Improving maternal and child health in the world.
C. Reducing the number of childhood deaths in South Asia.
D. High infant and maternal mortality in developing countries.