I’m guessing your taking Spanish 1 but what are u asking?
The answer is D hope this helps u out
You have to drop the <em>o </em>and add the appropriate ending the picture will help you . Ar turns to <em>e </em>, er or ir use <em>a</em>
1. Admiran
2. Observan
3. Miran
You can try any of this. They kinda have the same meaning