Piensa would be the correct answer since Marsha is the same as saying él/ella/usted, and for -ar verbs the conjugation for third person is -a
I would say B.
Where is the clock?
The clock is above the door.
1. Mi mejor amigo llamo (o with accent) a mi anoche
2. Nosotros vamos escuela casi siempre
3. Yo juego deporte de voleibol
4. Yo gusto comer la hamburguesa
5. Ella no puede vivir sin la música
*I'm not 100% of the first one but the rest should be right*
