It's 3. All the other answers are opinons and not provable by fact.
What he suspects about a person who drives a yellow car, is that perhaps the driver is the murderer of his wife, since she was killed by a person driving a yellow car, and is the car that Tom was driving.
The answer is A
Ralph understands that piggy should not be outcast and disregarded.
Answer:
The young men could not uproot the tree themselves so they asked the chief for help, the chief was able to uproot and bring the tree to its side so when the wife went to balance herself on the branches, she fell in a body of water below it.
Explanation: