I’m not 100% sure but I’m pretty sure it’s B!
Answer:
“The youth turned his head, shaken from his trance by this movement as if the regiment was leaving him behind.”
We know that 'migrate' means to move. So since that, we need to add the -ing, and we know that we end up with the meaning "moving".
So migrating means moving from one place to another.
1. Did Sergeant Brown congratulate Ms. Jones on her promotion?
2. A new musical plan was developed by Professor Harmon and Mrs. Smith. Students told Ms. Green how much fun it was, and that they wanted to show Mr. Samson how well they could perform.
3. During intermission, Pres. Green introduced Mr. Jim Oliver to the audience.
4. Did Principal Ruiz invite Mayor Johnson to the graduation ceremony, or did Reverend Robinson send the invitation?
5. Officer Hurst stood when Judge Williams entered the courtroom. Sheriff Brown also stood when the judge entered the room.
