What was the purpose of Chavez's hunger strike?

Which verb form correctly completes this sentence? tenemos un mes para preparar porque la exhibición el 28 de octubre. a. abramos b. abriremos c. abrirá d. abras

Ithink this is wrong. someone check this . i retook this and it said i was wrong i think. also this is not an exam since is deleting “dishonest” pictures. it’s homework. but i still want a correct answer pls.

Marianela quiere dejar la propina con < < with > >el dinero las carteras las monedas los aperitivos