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The Correct choice will be : 3. " refuge "
" During the tsunami, my family took <u>refuge</u> in a guest house on the hill. "
[ The other words are not suitable for the situation expressed by the sentence ]
The first one is correct. "It is like" the best decision you can ever make.
Saying it that way, is the same as saying that it would be the best decision that you can ever make, but adding more to it. Almost as if soeaking to someone who is overdramatic, and constantly say the word like.
I hope this helps
The second option because the purpose of a public service announcement is to raise awareness on an important issue.