单选题

（题干见阅读理解第1题） Why did the Federal A...

Question

（题干见阅读理解第1题）

Why did the Federal Aviation Authority require the black boxes be painted orange or yellow?

A. To distinguish them from the color of the plane.

B. To caution people to handle them with care.

C. To make them easily identifiable.

D. To conform to international standards.