Lo <span>presté is the answer.
There you go, trust me.</span>
The answer is a. Ellas
Ellas means they
Ellas -girls
Ellos -boys
Answer: Quantos anos tienes tu?
Tu trientes quince anos.
Explanation:
Basically remember to add the endings to tener. There is tengo, tienes, tiene, tenemos, teneis, tienen.