Answer:
A. made impossible in advance
Step-by-step explanation:
Context clues occur in texts where an unknown word is added, but the reader is able to understand what it means without having to use dictionaries, due to the context of the sentence as a whole.
Although you have not presented any words in Italian, in the sentence above, we can see that the unknown word that the sentence presents is the word "precluded", although we do not know what it means, we know that the sentence refers to how it was not It is possible for a woman to plan her summer vacation because of the professional responsibilities she had. In this case, we managed to enter that "precluded" means "made impossible in advance".