Answer:
C. ¡Buen día!
Explanation:
Since it is a matter of responding to a "formal" email, <u>idioms</u> or <u>barbarities</u> should not be used. Option B could be, but I would use it more on cards.
<h3><em><u>MissSpanish</u></em></h3>
Basically, the officials of schools think everyone should do sports; because they believe it as an aid to combat health issues. What they want you to do is read an article in spanish on why or why not they should make sports mandatory for school life. After you read it write a summary on wether your perspective is the same or different the those of the officials.