(单选题)

Desert elephants are called careful feeders because they ______.

A.rarely ruin trees

B.drink only every 3-4 days

C.search for food in large groups

D.protect food sources for their young

参考答案：A

参考解析：

细节理解题。根据第四段第三句“Desert elephants are careful feeders—they seldom root up trees and break fewer branches, and thus maintain what little food sources are available.”可知，它们很少扎根树木，也很少折断树枝，因此它们几乎不会毁坏树木。故选A。

知识点：阅读理解四选一英语专业基础知识阅读理解教师招聘-小学英语