Houses in China's big cities are so unreasonably expensive that generally young couples can't afford _______ without their parents' financial support.
A：that
B：it
C：any
D：one
—The stuntman is planning to walk on the wings of a flying plane.
—What?! I've never heard of idea before.
由小学生变为中学生，意味着我们（ ）
下列反映二战后殖民体系的崩溃和亚非拉国家为捍卫国家主权、发展经济的重大历史事件，按时间先后顺序排列正确的是（ ）
①万隆会议 ②纳米比亚独立 ③巴拿马收回运河主权 ④非洲独立年
