Please make me understand this question and tell how this answer came explain it - Science - Body Movements

Question

Please make me understand this question and tell how this answer
came explain it

Alisha Guglani · Accepted Answer

Dear student
Please find your answer below to the asked query:

Option C is correct
it allows passage of air to Bronchi
Trachea is a narrow tube that connects the pharynx to the bronchi
of the respiratory system The trachea is supported by a series of
cartilaginous rings that prevent it from collapsing

Regards

Please make me understand this question and tell how this answer came . explain it