题目选项分析

The Ixazyiquo tribe are believed to be one of the few remaining tribes in the country of Malugiato to have never had any contact with the Lamandians, settlers who arrived in Malugiain during the last hundred years. Using satellite imagery, a team of anthropologists determined that the Ixazyiquo land is covered with thriving banana plantations. The anthropologists conclude that the Ixazyiquo tribe has in fact had direct contact with the Lamandians.

Which of the following, if true, would best support the anthropologists' conclusion?

【选项】Maintaining banana plantations requires sophisticated knowledge that only the Lamadians possess.