Read the passage and answer the questions below

Reading 2
There were two friends called Sam and Mark. One day, when they were walking in the forest, they saw a big bear. They didn’t want the bear to attack them. Sam quickly stood on Mark’s shoulders and climbed up a tree. He said that there wasn’t enough space for Mark. Mark didn’t know what to do, so he lied down and pretended to be dead. When Mark was lying down, the bear came and said something to him. After that, it walked away. Sam climbed down and asked Mark what the bear said. Mark told Sam, “The bear said that I should choose better friends”.
True or False
1. Sam and Mark are best friends. _______
2. They both climbed up the tree when they saw the bear. _______
3. When Mark was lying down, the bear came and attacked him. _______
4. It is important for everyone to choose the best friend. _______
Questions
5. What is the main idea of this passage?
A. the best friend. B. how to develop the friendship.
C. how to attack the bear. D. advice to choose the real friend.
6. What does the word “space” in line 3 mean?
A. room B. seat C. place D. all are correct