Answer:
Please re do your question I not able to understand what is your problem asking.
Preterite: completed action, beginning/end to a past action, narrate past events
Imperfecto: ongoing action, habitual past actions, mental/physical/emotional state
Answer:
If its Usted then it would be A. Mida
If its Ustedes then it would D.miden.
Explanation:
La and el are the definite articles in Spanish. They are singular, and la is feminine, el is masculine.
Las and los are definite articles but they are plural. Las is feminine, Los is masculine.
They mean the word 'the'.
Un and una are indefinite articles, and they are singular. Un is masculine, una is feminine. They mean the words a, an, or one in English.
Unas and unos are indefinite. They are plural, and the mean some, about, or few.