There are no__________ differences between the two products, despite the fact that each is made from different materials.

2023-05-26

A.observably
B.observing
C.observe
D.observable

参考答案:D

空格处的单词应该修饰其后面的名词“differences”。因此,选项中可以修饰名词的现在分词B和D为正确答案的备选项。两者中,可以和名词搭配使用的是形容词D。