Please help

took out Suga's garbage cans?

who or whom

Who

Explanation:

You use whom whenever you talk about the object of a verb. But you use who to refer to the subject of the sentence.

This helps:

Whom can be replaced by him or her

Who can be replaced by he or she

who

Explanation:

Whom should be used to refer to the object of a verb or preposition. When in doubt, try this simple trick: If you can replace the word with “he”' or “'she,” use who. If you can replace it with “him” or “her,” use whom. Who should be used to refer to the subject of a sentence.

op: object of preposition

definition was not one of the four methods