The correct answer is: [B]:
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"<span>The thesis statement is the sentence in the introduction that states the author’s specific ideas about the topic."
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<u>Note</u>: This is similar to an "abstract" .
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I would say she shuts herself away after hearing of her husband's death because she wouldn't be willing to except help or anything else.
This is how I would write your thesis. "Should kids be allow to bring their cellphones to school? I believed they should, because it's necessary for kids to be able to communicate with their parents in case of an emergency. In New York City, their policy of banned cellular devices will be reversed and students will be allow to use their devices freely. However, will other counties like New York city be as open minded and allowed the usage of cellphones?"
In most cases a serious tone. To make it seem more realistic.