Grimm’s Law can be expressed in terms of natural classes of speech sounds: voiced aspirates become deaspirated; voiced stops become voiceless; voiceless stops become ______.
A、affricates
B、fricatives
C、voiced
D、aspirates
【正确答案】：B
【题目解析】：Grimm’s Law can be expressed in terms of natural classes of speech sounds: voiced aspirates become deaspirated; voiced stops become voiceless; voiceless stops become fricatives.