What does Infant industry argue?

A、Thedevelopingcountriesmayhaveapotentialcomparativeadvantageinsomeindustries,buttheseindustriescannotinitiallycompetewithwell-establishedindustriesinothercountries.;
B、Toallowtheseindustriestoestablishthemselves,governmentsshouldtemporarilysupportthemuntiltheyhavegrownstrongenoughtocompeteinternationally.;
C、ISIpolicyisfocusingonprotectionandincubationofdomesticindustriessotheymayemergetocompetewithimportedgoodsandmakelocaleconomymoreself-sufficient.;
D、Alloftheabove