A-A+
Comparing with the world's oceans carriers ar
问题详情
Comparing with the world"s oceans, carriers are ______ .
A．expensive
B．patrolling
C．nuclear powered
D．a few请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：根据第三段第一句话“…so there are only a few patrolling the world's oceans today.”来做。
