Based on the context in which it appears, what does the word mantilla most likely mean in this excerpt from 1001 nights?

a.. a type of store
b. a type of chariot
c. a type of jewelry
d. a type of clothing

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.