Read the lines from "The Turtle.” breaks from the blue-black
skin of the water, dragging her shell
with its mossy scutes
across the shallows and through the rushes

The word "dragging” shows that

the turtle is weak from swimming in the ocean.
the turtle has an odd physical appearance.
the turtle’s movements are awkward and difficult.
the turtle’s natural instincts are holding her back.

C.) the turtle’s movements are awkward and difficult.

Explanation:

So here is a 'Real' explanation For the option "C."

- The word 'dragging' often means: pull (someone or something) along forcefully, roughly, or with difficulty

- Option "C." is the only available Option that even specifies the fact that she Awkwardly 'pulled/dragged' herself and just the movement in general would work but they gave us that actual Detail that also helps the answer back itself up.

- Hope this helps for someone who didnt Understand! Have a nice day!

the correct answer is (a) . answer should be simple, clear and brief.