[单项选择]They may not be the richest, but Africans remain the world’s staunchest optimists. An annual survey by Gallup International, a research outfit, shows that, when asked whether this year will be better than last, Africa once again comes out on top. Out of 52 000 people interviewed all over the world, under half believe that things are looking up. But in Africa the proportion is close to 60% almost twice as much as in Europe. Africans have some reasons to be cheerful. The continent’s economy has been doing fairly well with South Africa, the economic powerhouse, growing steadily over the past few years. Some of Africa’s long-running conflicts, such as the war between the north and south in Sudan and the civil war in Congo, have ended. Africa even has its first elected female head of state, in Liberia. Yet there is no shortage of downers too. Most of Africa remains dirt poor. Crises in places like Cote d’ Ivoire, Sierra Leone and Zimbabwe are far from solved. And the democratic cr A. contrast Nigerians and French B. defend Meril James- remarks C. attach importance to the gloom-and-doom chart D. refute Ms James concept of religion