What does it mean to be gleamed like pearls?
a. very thin (As he never ate much, his arms were as thin as a rake)
b. very thin (This path is as thin as a rail)
c. very red (These fresh tomatoes are as red and shiny as rubies)
d. shining very brightly (Amazed by the sight of the famous singer, the little children's eyes gleamed like pearls)