Select the most appropriate option to fill in the blank.

Can you please stop _________ it’s me who keeps messing up the work?

assuming

The most appropriate option to fill in the blank is assuming.

The phrase "assuming it's me who keeps messing up the work" means to believe or take for granted that it is the speaker who is responsible for the mistakes. The speaker is asking the person to stop believing this, as it is not true.

The other options are not as appropriate in this context.

• Assuring means to give someone confidence or hope. This is not the right word to use, as the speaker is not trying to give the person confidence or hope.
• Amusing means to cause someone to laugh or smile. This is not the right word to use, as the speaker is not trying to make the person laugh.
• Adopting means to take on a new behavior or attitude. This is not the right word to use, as the speaker is not trying to change the person's behavior or attitude.