which of the following sentences, if translated into spanish, would require the verb estar_a. yolanda is my sister. b.it is 5 o'clock. c.today is the third of february. d.you are very nervous today.

D. Estar is used to say “is” or “are” when it is not something permanent. A sibling is permanent so a form of ser would be used. Although time isn’t permanent, the time cannot change from person to person. Same with date, although the date changes, it is the same date and time for everyone and does not change from person to person. Once again, the answer is D. You are very nervous today