A:酸,甜,苦,辣
B:酸,甜,咸,辣
C:咸,甜,苦,涩
D:酸,甜,苦,咸
在近代史上,利用其坚船利炮首先打开日本国门的是( )
His ____ (谈论) not only broke the ice, but aroused everyone's interest.