Correct option is C
The correct substitution of the highlighted words is (c)
to the head office.
Explanation:
· The preposition "to" is correctly used when something is being sent
from one place to another.
· “Sent in the head office” is grammatically incorrect because it implies that the sending happens inside the office, which is not intended.
· Correct phrase:
sent to the head office (i.e., forwarded towards the head office).
Grammatical rule used:
· Use "to" to indicate movement toward a specific destination.
· Example: The documents were sent to the principal’s office.
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Infromation Booster:
· Remember:
Send to a place,
Stay at a place!
· ❗"In the office" means "inside the office," not sending something there.