When separating items in a list, a writer should 1)end the list with a colon. 2)separate the items with colons. 3)add a comma after the “and” before the last item. 4)add a comma before the “and” before the last item.

D

add a comma before the “and” before the last item.

Explanation:

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explanation:

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the correct answer is self-disclosure must be voluntary.

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