What has the shift of labor from rural to urban become?

What has the shift of labor from rural to urban become?
A: Exceeds
B: Scarcity
C: Normal
D: None of these

Rural-to-urban labor shift is significant but not described by listed options suggesting a question error. This question tests knowledge of social change in sociology exams. Migration impacts rural economies a significant topic. Update (as of 2025-09-05)