A perfect day, Ginny thought to herself as she gazed at the small island ahead, noting the thin line
on the horizon formed by the mainland.
"Ninety minutes before we return to the mainland,"
Captain Bill reminded the eager snorkelers. Ginny
set her dive watch, Plenty of time to explore, and
lickety-split, she jumped into the sea.

Ginny distanced herself from the boat, Far too
crowded, how can anyone see anything? Too much
splashing, you'll frighten the fish! The congestion of
snorkelers was soon behind her, and she felt
transported to an underwater world all her own,
transfixed by the schools of tiny rainbow fish darting
before her, astonished by the occasional turtle
cruising along the white sands below. Do slow
down, come closer to the surface. Ginny willed the
fish with her mind. The kelp waved gently, the bright.
Aaarghhh, she sputtered and choked ,she was brought back to reality when massive wave crashed over her head .Ginny poked her head above the water .nothing ?
Nothing ? Where is the boat ? Her mind raced frantically the boat and it’s Passengers were gone, only the small island and the faraway mainland remained .She glanced at her watch ,three hours ,how is that possible , where did time go ?The once dreamy waters were now a nightmare. Which best analyze of the plot structure standard