Here are the best answers based on the passage provided:

1. **A. Right** (Da Nang is described as a good place for those who love the sea.)
2. **B. Wrong** (The passage states that life is not as busy as in Ho Chi Minh City.)
3. **C. Doesn’t mention** (There is no mention of mountains in the passage.)
4. **A. Right** (The passage states that the food is fresh and cheaper than in Ho Chi Minh City, implying it is inexpensive.)
5. **A. Right** (Da Nang is described as both peaceful and beautiful.)

Feel free to ask if you need further assistance!