题目内容：

阅读下列短文，根据短文内容，从短文后的五个选项中选出能填入空白处的最佳选项。每个选项只能用一次。

Once, two birds named Cici and Nick lived in a nest.   1.  They always found excuse for not doing any work.

On a cold winter day, a strong wind was blowing. There was some snowfall too. By chance, a hole was made in their nest(巢).The cold wind blew in through the hole and got away the warmth from the nest. 2.  Nick thought, "I wonder why Cici is so lazy? Why is she not repairing the hole?"

On the other hand, Cici thought that Nick would fill the hole. Both of them were depending on each other.   3.  .

Soon snow started to fall and the wind nearly blew off the last warm air from the inside of their nest. The snowflakes entered the nest through the hole. The lazy birds started shivering (颤) with cold. 4. .

In the morning both the birds were dead in their nest. They had shivered to death but because of laziness they had not got up to repair the hole.

Life is the same. Some people never get success. 5.  .Do you think so?

A. Because their laziness blows out the chances.

B. But no one was active enough to work.

C. Both of them were very lazy.

D. Both the birds started feeling cold.

E. So no one repaired the hole.