Answer:
d. Yo llamo a la oficina del médico.
Explanation:
Yo llamo a la oficina del médico
is grammatically correct.
<h2>Answer:</h2>
Yo <em>he</em><em> </em><em>lavado</em> los platos!
<h3>Explanation:</h3>
You need to use in this case the Preterito Perfecto (like present perfect) because it's an action that you have made in the past, probably a few moments ago.
Could you translate to english?