Answer:
The correct answer is B because we are using the preterite form of the verb "recoger"
Tú recogiste los libros, ¿no?
Explanation:
The correct way to use the preterite form of the verb "recoger" is
Yo recogí
Tú recogiste
Él recogió
Nosotros recogimos
Vosotros recogisteis
Ellos recogieron
Considering this, the correct answer is B.
