Lower Transport Costs, Improved Information Technology and Reduced Tariffs Have

Lower transport costs, improved information technology and reduced tariffs have raised concerns for LDCs because:

A) they have lowered their tariffs more than rich countries.
B) rich countries have been unwilling to reduce agricultural subsidies and protection.
C) LDCs' comparative advantages in manufactured exports are offset by rich country tariffs.
D) rich countries act only in accordance with LDC interests.