单选题 An overly centralized economy, not the changes in the climate, is responsible for the poor agricultural production in Country X since its new government came to power. Neighboring Country Y has experienced the same climatic conditions, but while agricultural production has been falling in Country X, it has been rising in Country Y.
Which of the following, if true, would most weaken the argument above?

A、 Industrial production also is declining in Country X.
B、 Whereas Country Y is landlocked, Country X has a major seaport.
C、 Both Country X and Country Y have been experiencing drought conditions.
D、 The crops that have always been grown in Country X are different from those that have always been grown in Country Y.
E、 (E) Country X's new government instituted a centralized economy with the intention of ensuring an equitable distribution of goods.

【正确答案】 D

【答案解析】