题目内容：
根据下面内容，回答题：You really have to get very old before you realize you're old. I'm in my middle fifties and I don'tfeel 21 yet. However, sometimes I look back at my childhood and 22 things to the way lifeis for 23 kids, some things have certainly changed.
One area of change is 24. Some changes have been improvements. Some changes, on the
other hand, have been 25 When I started school, most people didn't have a television; TV was just beginning to get26. My father decided to go all out and buy a 16-inch black and white Motorola 27. I stillremember watching the Lone Ranger save people from the 28 guys on.that awesome electronicmachine. That was exciting!
Now,29 have larger pictures in full color. The pictures are clearer and the sound is much
more 30. The new high definition sets are made to rival 31 screens.
The variety and quantity of programming has 32 greatly. There are hundreds of channelsand more shows than one person could ever watch. There are many fine entertainment and education-al 33. There's also a lot of garbage, stuff that most 34 don't want their kids exposed to. Over-all, we have more choices, and that is good.
I wonder what 35 will be like when today's kids are my age.
第21题应选( ) A．young
B．old
C．sad
D．Happy
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答案解析：