Once he arrived at the jonathan sat on a boulder and watched his dog, hoolihan, outrun the spilling waves and then chase them back to sea in an endless cycle of fun. he closed his eyes, listening to the crashing waves, an oddly comforting sound he had loved ever since he was a child.

what is the correct word that is punctuated correctly?

a. beach,
b. beach:
c. beach;
d. beach.