In this sentence, <u>according to the context</u>, the verb “to find out” means to discover something to the point of knowing it, in simple words: To know something.
So, <u>in spanish</u>, the verb <em>“to know”</em> means <em>“saber”</em> or <em>“conocer”</em>, in this context is the first one:
<h2><em>Saber</em></h2>
<u>This sentence is in simple past tense</u>. The past tense of <em>“saber”</em> <u>with the subject pronoun</u> “Yo” (I) is: <em>“supe”</em>
Then, the correct translation option is:
<h2>Supe el secreto ayer
</h2>
