Read the following paragraph developed by examples...

Read the following paragraph developed by examples that have been underlined. Delete the inappropriate examples that can’t help illustrate the topic sentence. The computer is widely used in all fields of society. Today, wherever you go, you will find computers being used. (A) For example,computers are used in universities, large corporations,and small offices,etc. It has even entered the homes of ordinary people. As it is able to store and process a large amount of information,the computer bring about great convenience and high efficiency to people of all walks of life. Computers can help people in different ways. (B) Take science work as an example. Computers help scientists in analyzing data and doing complex calculation. (C)Computers, for another example, haven’t taken the place of teachers even though they are very useful in multi-media class.(D)Besides, computers may also play a great role in helping children with their lesson. Whatever you are doing, you may find computer a useful aid.

A、句（A)

B、句 (B)

C、句（C）

D、句 (D)