What is this? please help

Instructions: create a public service announcement in spanish on severe weather procedures to encourage the community to be prepared. use the graphic organizer to organize your ideas and to write the vocabulary that you need to create your public service announcement. refer to pages 1, 2 and 3 of the lesson area for terms and ideas to you fill out the organizer and, ultimately, create your psa. this announcement can be a flyer, a radio message, or a tv message. you can select the severe weather event that is approaching or imminent. describe the severe weather event and tell the community how to protect themselves before, during, or after the weather event. include at least 10 ideas related to the severe weather event and the procedures to get prepared

Yo no quiero ir a la fiesta porque no me siento bien. pero voy a ir mi hermana porque es su quinceañera. por or para,

Which phrase correctly completes this sentence? el fin de semana pasado tomás tuvo un accidente y a. nos lastimamos la cabeza b. te lastimó la cabeza c. se lastimó la cabeza d. me lastimé la cabeza