For question 1, the correct answer is B. Phillip's parents listen to him but are unable to relate to his experiences on the cay. This can be inferred from the information provided in the question.
For question 2, the correct answer is B. The passage "I realized then why he had used our rope sparingly; why he made our guideline down to east beach from vines instead of rope" illustrates Phillip's determination because it shows his resourcefulness and ability to adapt to the situation on the cay.
For question 3, the correct answer is C. Timothy most likely warns Phillip to avoid swimming in the water because German submarines may detect they are on the island. This can be inferred from the context of the story and the fact that Timothy is cautious about maintaining their safety and not being detected.
For question 4, the correct answer is A. The word "flailing" in italics means thrashing wildly.
For question 5, the correct answer is A. The event that best indicates that Phillip will be rescued is when he realizes the signal fire must produce darker smoke. This suggests that he is thinking about attracting attention and increasing the chances of being spotted by potential rescuers.
Based on the information provided, your answers for questions 1, 2, 3, and 4 are correct. However, for question 5, the correct answer is A instead of C.