The lungs are
A- divided into nine lobes.
B- divided into seven lobes.
C- separated by the mediastinum.
D- connected by the mediastinum.

C

Explanation:

The lungs are separated by the mediastinum. The mediastinum is membranous like partition in the upper body cavity. Which is between two body cavities or two organs. It separates two organs. Like it separates the lungs.

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