公共英语考试

【单选题】 Some birds like to sit on a sheep because ____________.
A．they can eat its parasites
B．they enjoy travelling with the sheep
C．they depend on the sheep for existence
D．they find the position most comfortable

网考网参考答案：A
网考网解析：
[解析]从文章第一段第四句：This is not because they want a ride，but because they find easy food in the parasites on sheep．他们想吃羊背上的寄生虫。故本题答案为A。 查看试题解析出处>>