Nation 1's share of the gains from trade will be greater:
选项：

A: the greater is nation 1's demand for nation 2's exports;
B:the closer Px/Py with trade settles to nation 2's pretrade Px/Py;
C: the weaker is nation 2's demand for nation 1's exports;
D:the closer Px/Py with trade settles to nation 1's pretrade Px/Py