(4) Springing to my feet I received my first Martian surprise, for the effort, which on Earth would have brought me standing upright, carried me into the Martian air to the height of about three yards. I alighted softly upon the ground, however, without appreciable shock or jar. Now commenced a series of evolutions which even then seemed ludicrous in the extreme. I found that I must learn to walk all over again, as the muscular exertion which carried me easily and safely upon Earth played strange antics with me upon Mars.

(5) Instead of progressing in a sane and dignified manner, my attempts to walk resulted in a variety of hops which took me clear of the ground a couple of feet at each step and landed me sprawling upon my face or back at the end of each second or third hop. My muscles, perfectly attuned and accustomed to the force of gravity on Earth, played the mischief with me in attempting for the first time to cope with the lesser gravitation and lower air pressure on Mars.

How do the underlined words help establish a sense of place and circumstance?

A.
They help establish a mood of joy and lightness as the narrator begins to enjoy the weightlessness of being on Mars.
B.
They demonstrate how frustrated the narrator is becoming due to his inability to stay on the ground without gravity.
C.
They create vivid imagery, which reinforces that the narrator has landed somewhere that is extremely different from Earth.
D.
They suggest that the narrator is clumsy and careless, making him unable to explore Mars because he is unable to walk properly