The correct answer is A. Encantada. The first sentence means - This is Amalia, my best friend. So someone is introducing Amalia to you, to which you should say - Nice to meet you (=Encantada). Estoy mas o menos means - I'm fine, Y tu means - What about you, and Igualmente means - The same.
1. La papa y la zanahoria son verduras 2. La manzana y la fresa son frutas. 3. La limonada y el juego de naranja son refrescos 4. La torta y el helado son postres.