One of the Reasons for India's Occupational Structure Remaining More

One of the reasons for India's occupational structure remaining more or less the same over the years has been that

A) Productivity in agriculture has been high enough to induce people to stay with agriculture
B) People are largely unaware of the significance of transition from agriculture to industry for economic development.
C) Investment pattern has been directed towards capital intensive industries.
D) ceilings-on land holdings have enabled more people to own land and hence their preference to stay with agriculture