---Why would some workers in Foxcon die __________ continue working in the factory?

---Psychologists say they are under too much pressure.

---Why would some workers in Foxcon die __________ continue working in the factory?

---Psychologists say they are under too much pressure.

---Why would some workers in Foxcon die ______ continue working in the factory?
---Psychologists say they are under too much pressure.

1. A.
   better than
2. B.
   by accident
3. C.
   instead of
4. D.
   rather than