Answer:
C.) components, or parts, of words.
Step-by-step explanation:
The word structure in the excerpt refers to the components, or parts, of words. The idea behind Samuel Johnson’s preface to a dictionary of the English language is to help solidify the language of English and prevent it from becoming corrupt. The structure in Samuel Johnson’s excerpt means the components or parts that are used in the arrangements of words and making the words understandable to the reader.