单项选择题
What can we learn from this news item()
A.The new vaccines are intended solely for developing countries B.The oral vaccines are much cheaper than conventional ones C.The oral vaccines will cost less than two dollars each dose
A.The Doha Round of world trade talks hasn't been held for long. B.Their farmers can not compete with artificially-low prices. C.Developing countries cannot compete with developed ones
A.To show sympathy for the Hungarian Jews killed by German Nazis. B.To help people understand the Second World War better. C.To educate the young about the glory of the Hungarian history