阅读下列短文，然后从后面各小题所给的A、B、C、D四个选项中选出可以填入文中空缺处的最佳选项。

Last year, I worked near my mother’s house and stayed with her for a month. During that time, I helped her do some housework and ____（1）____ some food.

A week later, I noticed that the food ran out very ____（2）____. Then I began keeping an eye on my mum. To my ____（3）____, I found that she would put some food into a bag and go out with it every morning. And finally, I decided to ____（4）____ her. I saw her taking the food to the street children and spending a lot of time talking and playing with them.

One day, I talked with a neighbor and ____（5）____ that my mum was well-known in the area. The children were very friendly to her and even thought of her as their own mother. Why didn’t she tell me about it? Was she ____（6）____ that I would stop buying food if I knew the truth?

When my mum got home, I gave her a big hug (拥抱), I told her she didn’t need to keep it a ____（7）____ from me. And she told me ____（8）____ about the children. Some of them lived with an old lady in a small house. Others slept on the street. ____（9）____ she told me everything, I was so moved by her kindness.

I continued to buy food for my mum after that. But I ____（10）____ added one more bag for her other “children”.

（1）

A．

save

B．

buy

C．

cook

D．

throw

（2）

A．

well

B．

late

C．

soon

D．

early

（3）

A．

shame

B．

surprise

C．

happiness

D．

pleasure

（4）

A．

follow

B．

tell

C．

change

D．

catch

（5）

A．

worked out

B．

gave out

C．

looked out

D．

found out

（6）

A．

interested

B．

pleased

C．

worried

D．

bored

（7）

A．

secret

B．

promise

C．

story

D．

habit

（8）

A．

nothing

B．

something

C．

some

D．

any

（9）

A．

If

B．

Unless

C．

Before

D．

After

（10）

A．

always

B．

sometimes

C．

seldom

D．

never