Answer:
the answer is b
Explanation:
When writers insert or alter words in a direct quotation, square brackets—[ ]—are placed around the change. The brackets, always used in pairs, enclose words intended to clarify meaning, provide a brief explanation, or to help integrate the quote into the writer's sentence.
<span>In 2004, president george w. bush's chief political adviser, karl rove, pioneered a new campaign technique known as microtargeting.</span>
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<span>Ayatollah Khomeini
</span>
The leader of Iran after the realization of the Iranian Revolution was Ayatollah Ruhollah Musavi Khomeini. He ruled until his death in 1979, when he was 86 years old.
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