Answer:

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Answer:
She concealed her sadness with a smile.
She had concealed the truth, but just barely.
Answer:
A) Summarizing
Explanation:
If you are able to summarize what you just read, you know that you understood everything.
Questioning isn't the best strategy because the questions aren't always helpful. Making predictions doesn't help you understand what you read. Skimming just makes whatever you're reading even more challenging, therefore leaving only summarizing.
Hope it helps!