In the following passages the numbered gaps indicate missing words. Against each number in the below each passage, four options are offered in columns lettered A to D. choose the word that is the most suitable to fill the numbered gap in the passages.
This year, the annual school -78- was to a workshop in a nearby village. Although it was well before mid-day, the blacksmith was already sweating from the -79- from the small -80-. He had an assistant who was energetically pumping the -81- that was fanning the charcoal into bright red -82-. There was no difference between the red hot coal and the metal. With large -83- the smith lifted the hot iron from the fire and placed it on the -84-. Quickly picking up a -85-, he began to beat it into the shape he wanted. As he did this, -86- flew from the hot iron in all directions. After he had achieved the shape he wanted, he threw it into a wooden -87- filled with water, where other blackened the objects lay.
Man’s destruction of his -88- began to show a very long time ago as areas of forests were cleared for use as farmland. Recently, however serious attempts have been made to control the -89- to land and protect the -90- of plants and animals from dying out. National -91- and -92- reserves were established. Man’s effort to care for species that are endangered sometimes result s in overpopulation because the -93- which would naturally keep animal population in -94- are absent. As a result of over-grazing, hundreds may die of -95- . another problem is -96-; their presence in large numbers can -97- the animals and disturb their very habitat that is being preserved. Children need to learn about these things. Perhaps cultivating -98- in schools or keeping -99- at home will kindle their desire to preserve life. It is irresponsible to live in a -100- where one cares only about oneself.


In question numbered 99 above, choose the best option from letters A - D that best completes the gap.

A. pets  
B. birds
C. parrots
D. swans

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Correct Answer: A