Directions : Read the extract given below and answer the questions by selecting the correct/most appropriate options : The work of hunters is another thing : I have come after them and made repair Where they have left not one stone on a stone, But they would have the rabbit out of hiding, To please the yelping dogs. The gaps I mean, No one has seen them made or heard them made, But at spring mending-time we find them there. I let my neighbour know beyond the hill; And on a day we meet to walk the line And set the wall between us once again. We keep the wall between us as we go. To each the boulders that have fallen to each. And some are loaves and some so nearly balls We have to use a spell to make them balance : 'Stay where you are until our backs are turned !' The gaps in the wall are made by :