B. wash off
Feedback wrap up - 1. to put paper or material over something to cover it 2. to put on warm clothes 3. to finish something as a job, project, etc.
set up - 1. to install 2. to arrange 3. to trick somebody.
put down - 1. to put something onto a surface 2. to humiliate 3. to write something down 4. to kill an animal by injection because it is old or sick.
wash off - 1. to clean something using water 2. if something washes off it means it can be removed with water