Select the most appropriate word to fill in the blank.
The road at 15000 feet are not easily navigable and the air is ___ and freezing.

Options

A. rarefied
B. intensified
C. elevated
D. exalted

Explanation

(a) rarefied-(of air, especially that at high altitudes) of lower pressure than usual, thin.
(b) intensified- तीव्र -become or make it more intense.
(c) elevated- उन्नत -situated or placed higher than the surrounding area.
(d) exalted- उत्साहपूर्ण - at a high or powerful level.