Which scenario most clearly symbolizes freedom?

a. i looked at my hand and saw a strange black mark. i tried to rub it,
but the stain wouldn't come off!

b. saachi tried to hold onto the sand, but it steadily flowed out
between his fingers until it was gone.

c. winded, i looked up at the mile marker. i had been running for six
whole miles.

d. the hawk launched from the branch and soared into the open sky.