Which of these phrases from tim o'brien's chapter "good form" best shows that his work is an example of metafiction?

a. i was once a soldier.
b. his one eye was shut, the other eye was a star-shaped hole.
c. he lay in the center of a red clay trail . .
d. but listen. even that story is made up.

Which sentence is punctuated correctly?  a.under a microscope; the organisms look a bit like ruffled tennis balls they have armored plates that fit together to make a round shape. b.when the water is disturbed; the organisms respond by glowing this makes swimmers look like floating beams of blue light. c.there is a bay in puerto rico that seems to light up at night; the light comes from tiny organisms in the water. d.the luminescence attracts visitors from around the world people are curious to see; this beautiful otherworldly sight.