Sometimes the main idea can be A. Found anywhere in the paragraph.

B found in the glossary

C. in the index.

D. a homonym​

A. found anywhere in the paragraph

Explanation:

i don't know, the other just aren't it

A

Explanation:

not sure because there is not real rule on where to put the main idea?

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quintessence, core, heart, crux, nucleus, substance, principle, fundamental quality, sum the origin of a word and the historical development of its meaning. insight, understanding, awareness, wisdom, education, learning, knowledge,