can you please explain me how to solve these questions? thanks :)

20. SUPP\"? 21. When imports are larger than exports The country can fund out less national private investment The country can fund out more national private investmen' The national private investment will never be affected The country is lending resources to the rest of the world Private investing is funded out of: A. Private savings B. Government savings C. The rest of the world D. All above answer are correct