Metonymy is the answer. METONYMY
A ballad is a type of poem that tells a story and was traditionally set to music. English language ballads are typically composed of four-line stanzas that follow an ABCB rhyme scheme. ... The last line of each stanza is a refrain
I narrowed it down to B and D. Going to say D though
Don't your mom and I use the same hairdresser?
Answer:
1. Someone should send the email today.
2. The employees have left the documents behind.
3. They served the breakfast in the dining room.
4. Has anyone read the instruction?
5. Someone offered him a good job.
6. Someone had to call the ambulance.
7. The mechanics will repair my car next week.
8. Someone is breaking down the old bridge at this moment.
9. They said he is an excellent guitarist.
10. Open the windows.
11. My parents adviced me to get a visa.
12. Why did someone break the glass?
Explanation:
I used "someone" when the doer wasn't identified, I think you're free to use "you" or "them" depending on the situation.