【题目】The new family planning policy allows a couple to have a second birth on condition that is an only child and they have only one child.
A. either B. both C. all D. neither
在线课程【答案】A
【解析】考查代词。句意：新的计划生育政策允许一对夫妇可以再生一胎，条件是夫妻双方中的一方为独生子女，且他们只有一个孩子。either两者中任意一个；neither两者都不。