选项
A.
fused
B.
prefaced
C.
standardized
D.
expressed
正确答案：D
名词解析
动词辨析。couch表达，隐含，措词；如：Poets couch their feeling in beautiful language．诗人用美丽的语言表达他们的感受。fuse熔合，使结合；preface为……写序言，作为……的开端；standardize使符合标准，使标准化；express表达，表示；如：She expressed her appreciation for their gracious hospitality．她对他们的殷勤款待表示感谢。