If country A can produce more of practically everything than can country B, then which of the following statements is true?

A、CountryAhasnoincentivetotradewithcountry
B、;
B、Tradecanbenefitbothcountries.;
C、CountryBhasnoincentivetotradewithcountry
A、;
D、CountryBcannothaveacomparativeadvantageintheproductionofanygoodthatcountryAwantstobuy.