Which of the Following Statements About the Lua' of Northern

Which of the following statements about the Lua' of northern Thailand is true?

A) Although they practice some horticulture today,the Lua' are primarily pastoralists who travel seasonally.
B) Today,the Lua' have become intensive agriculturalists because of land scarcity and government involvement.
C) In the past,the Lua' lived by foraging,but government subsidies and land scarcity have drawn the Lua' into industrial wage labor.
D) The Lua' lived very well as pastoralists,but since the 1960s they have worked as wage laborers.
E) The Lua' no longer exist as a cultural group.