Answer:
The caption would be the the detective spied on the suspects.
The correct answer is D. una merienda.
The question is - what might students be seen eating during the Spanish Club party? And the answer is <em>una merienda, </em>which means <em>snacks. </em>Tomamos is a form of the verb <em>tomar, </em>which means to take; <em>juntos </em>means together; el viernes means Friday.
So, having that in mind, the only option that makes sense is D.
