【题目】He had wanted to write ____children's book for many years, but one thing or another always got in _________ way.
A.a; /
B.the; the
C./; the
D.a; the

【答案】D
【解析】考查冠词。句意：许多年来，他都想写一本儿童读物，但是一件又一件的事情挡道。泛指一本儿童书籍用a；固定搭配get in the way意为“妨碍，挡道”，故选D。