For Wundt,the Most Important Units of Analysis in the Study

For Wundt,the most important units of analysis in the study of language are what?

A) single words, which are constructed out of various combinations of individual sounds or phonemes
B) the simplest individual spoken sounds, or phonemes, that can be distinguished from one another by speakers of the particular language
C) sentences, each of which contains a general thought or idea, sometimes using different words to express the same idea
D) the grammatical rules that dictate how words must be put together to convey meaningful thoughts