The last one, because it is the most formal way to greet.
"moors" is considered as a person of Muslim descent of Berber and/ or Arab descent who live in Northwest Africa. So moros "cariñosamente" means that they have affection for the "moors'"
Quiñones was born in Mexicali, which is a town on the border of México and California. When he was a teenager, he immigrated to Los Estados Unidos<span> and earned money for English classes by working on local farms.
The answer is A.
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Estas is your answer. :)♥♥