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Read the following passages/poem carefully and use correct options to answer the questions that follow.

Fruit flies are tiny insects that are attracted to ripe or rotting fruits and vegetables. The flies not only eat the fruit, but they also lay their eggs there. A single fruit fly can lay up to 500 eggs on the surface of a piece of fruit. Within eight days, the fruit flies that hatch from these eggs are full adults that can then lay their own eggs. As you can see, what might start out as a small fruit fly problem can become very large, very quickly. Although there is a chance that fruit flies can carry germs on to your food, this is not very likely. Fruit flies are annoying, but they probably will not hurt you. Because they are such a nuisance, most people want to get rid of these pesky bugs as quickly as possible. Some people use pesticide sprays on the fruit flies. Although this will kill the flies, it will also spread harmful poison all over your kitchen.

It takes about a week

A)  for the fruit flies to lay eggs.

B)  for the eggs to hatch.

C)  for the hatched fruit flies to grow fully.  

D)  for the hatched fruit flies to eat the fruit.