Which word in the sentence, if any, should be followed by a colon?

their teas come in three flavors peppermint, lemon ginger, and apple cinnamon.

a. in

b. there is no error in colon usage.

c. flavors

d. come

englsand

explanation:

the grass-plot before the jail, in prison lane, on a certain summer morning, not less than two centuries ago, was occupied by a pretty large number of the inhabitants of boston; all with their eyes intently fastened on the iron-clamped oaken door.

— the scarlet letter,

nathaniel hawthorne

''eyes intently fastened''

''iron-clamped oaken door''

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