Una libreta: singular
unas libretas: plural
<h2>Correct answer:</h2><h3>C. no la ordenes</h3>
Ordenó is the conjugation of the verb ordenar that matches the third person singular in the preterite tense. The preterite is used to describe actions that took place or were completed at a certain point in the past. On the other hand, no la ordenes tú is a command standing for the imperative mood. Finally, we can write this as follows:
<em>Carlos ordenó la comida, </em><em>no la ordenes </em><em>tú. </em>
