(41-44)  A copyright symbol means something which is protected bycopyright can’t be used freely without permission. In fact, it isagainst the law to make a copy for business purposes if the thingyou copy is under the protection of copyright. However, copyingsome pages for educational purposes is accepted. For example, ateacher can copy a published poem as the reading material inclass. Also, a student can make a copy from newspaper articlesfor school homework.This is known as fair use. If you copysomething in this way, never forget to let others know where thecopied thing comes from. What’s more, remember it’s not right to sell or sharecopyrighted works, which include digital ones. You shouldn’tbreak the copyright laws, or you may get into serious trouble.  If you are still not sure about it, reach the copyright ownerand ask for permission. Neither ideas nor copyrighted works arefor free. You should take the rules seriously and follow them. 
41. What’s the reading mainly for?
(A) To encourage people not to make a copy of anything.
(B) To explain why there are copyright laws.
(C) To teach people how to hide from copyright laws.
(D) To make common situations about copyright clear.