It's true stage directions aren't spoken aloud.
It’s either A or C if i’m wrong i’m so sorry
Since this drawing is his way of reminding her that she and their garden are "as safe as a missel thrush", it makes her one of the many creatures whose secrets he keeps faithfully. So, having that in mind, I would say the correct answer is A) his trustworthiness.
Answer:
That's false. Dally said CHERRY was acting a s a spy for the Greasers.
Let me know if this helps!