What Is the Correct Breakdown and Translation of the Abbreviation

What is the correct breakdown and translation of the abbreviation LTB?

A) Laryngitis, tracheitis, and bronchitis: laryngo (larynx) + itis (inflammation) + tracheo (trachea) + itis (inflammation) + bronch (bronchus) + itis (inflammation) = inflammation of the larynx, trachea, and bronchi
B) Laryngotracheobronchitis: laryngo (larynx) + tracheo (trachea) + bronch (bronchus) + itis (inflammation) = inflammation of the larynx, trachea, and bronchi
C) Laryngotracheobronchitis: laryngo (larynx) + tracheo (trachea) + bronch (bronchiole) + itis (inflammation) = inflammation of the larynx, trachea, and bronchiole
D) Lung test bronchoscopy: lung test broncho (bronchus) + scop (looking) + y (procedure) = procedure for looking at the lungs by placing a scope in the bronchus
E) Lung tomographic biopsy: lung (lung) + tomo (cut) + graph (writing) + ic (pertaining to) + biopsy = biopsy of the lung using a computer to cut