I prefer the train,I am pretty scared of flying,and I get sea sick.So out of those three,the train

问题描述:

I prefer the train,I am pretty scared of flying,and I get sea sick.So out of those three,the train
is my only option!中out

out of:由于(原因,动机);用...(材料);自...离开;得自(来源);出于
这里的意思应该是出于以上三个原因(prefer,scared of flying,sea sick)