Detailed Instructions: In this task, you will be presented with a question having multiple possible answers in Portuguese language. And you should choose a most suitable option out of "A", "B", "C", "D", and "E" based on your commonsense knowledge.
Problem:Question: Quando uma cortina fecha, isto acaba.  O que é isto? 
 Options: A mostrar B ponte C casa D grande armazém E janela 
Solution:
A