Question

which one of the following is not an example of work being done

Answer 1

in order for someone to answer they have to know what the 'following' is...

Answer 2

-- A dog sleeping on the couch is not an example of work being done.

-- A top executive on vacation in the Bahamas is not an example
of work being done.

-- A telephone pole is not an example of work being done.

-- A jar of pickles on the bottom shelf in the refrigerator is not
an example of work being done.

In your question, what does "the following" mean ?