What kinds of words do we use in the titles?
A.
5 kinds of words: nouns, prepositions, conjunctions, adjectives and articles
B.
6 kinds of words: nouns, prepositions, conjunctions, adjectives, pronouns and articles
C.
6 kinds of words: nouns, prepositions, conjunctions, adjectives, pronouns and adverbs
D.
7 kinds of words: nouns, prepositions, conjunctions, adjectives, adverbs, pronouns and articles