Choose the word that has a different stress pattern from the others

Choose the word that has a different stress pattern from the others.
1. A. traffic B. agree C. noisy D. student
2. A. listen B. visit C. borrow D. obey
3. A. enjoy B. agree C. attend D. student
4. A. listen B. visit C. enjoy D. open
5. A. traffic B. prefer C. noisy D. student