20 points and first is ! when identifying the central idea of a text, it is most to notice the

repetition of ideas.
quotations of experts.
definitions of difficult terms.
organization of the text.

Repetition of ideas.

Explanation:

When you can identify the central idea of a text, it is helpful to note the repetition of ideas within the same text so that you can interpret the text succinctly, concretely and comprehensively. When you observe the repetition of ideas you will begin to fully understand what the author wants to get through with the written text.

A - repetition of ideas.

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Explanation: