I need help finiding the code

Ojalá que todos mis amigos mucho éxito. a. tengan b. discutan c. discuten d. tienen

When could you attach the direct object pronoun to an infinitive verb? a: when an infinitive verb follows a conjugated verb. b: when an infinitive verb ends in a question. c: when a stem-changing verb ends in a question. d: when a stem-changing verb follows a conjugated verb.

What is agudas & llanas & esdrújulas & sobresdrújulas