Why doesn't Romeo know Friar Lawrence's plan? choose one

Balthasar wanted to be free from Romeo's service, so he lied and told him Juliet was dead.
Friar John was supposed to deliver the message, but got quarantined.
The Apothecary wants to make sure he's not arrested so he holds on to the letter.
Friar Lawrence forgot to tell Balthasar.

Friar John was supposed to deliver the message, but got quarantined.