Teacher Jin, an English composition, help me to have a look.

do you have a cell phone? Do you often send short messages to your family and friends? If you text frequently, you may have problems with your fingers. If not, you may get hurt one day. SMS is becoming more and more popular, but scientists have found that texting can cause finger problems. Sending too much information will make your fingers uncomfortable. When the finger always presses the small phone key, it may cause a disease called RSI. RSI is short for repetitive strain. Harriet Wilson is a doctor. She has some patients with repetitive strain. If we text for more than 10- 15 minutes every day, we may have this disease in the future. Mobile phones and mobile phone buttons are getting smaller and smaller. Editing short messages with a small mobile phone is worse than using a mobile phone, and editing short messages with a big mobile phone is easier.

If you use computer keyboards and play video games for a long time, you may also suffer from this disease. More and more people find themselves suffering from this disease. A: Good advice is to use a big mobile phone. B. Everyone should be careful when using mobile phones. C. The more buttons are fastened, the tighter they are. D. She said that we should check how long it takes us to send messages by mobile phone. 55. What does the author want to tell us? He wants us not to send text messages on mobile phones. B, he wants us to send text messages on our small phones. He wants to tell us some good ways to keep in touch with friends. D. He wanted to tell us that texting hurt us.