la una de la tarde. A. Esta
B. Son
C. Es
D. Esatan

Help please,!!

( son ) la una de la tarde.

B .Son

The actual answer is C. Es la una de la tarde. One o’clock is considered as singular so you would use the singular term which is “Es”

Valentine's day is january 13 

I'm not sure if you mean for us to translate or to answer. but i'll translate as these are questions for you to answer. 1. how long has it been since you've read a book? . 2. how long has it been since you've eaten breakfast? . 3. how long has it been since you've talked with your spanish professor?