You lift a heavy book from the floor of the room and keep it in the book-shelf having a height 2 m. In this process you take 5 seconds. The work done by you will depend upon

• A

  Mass of the book and time taken

• B

  Weight of the book and height of the book-shelf

• C

  Height of the book-shelf and time taken

• D

  Mass of the book, height of the book-shelf and time taken