Which sentence is punctuated correctly?

a.
you could say that one mile equals: 5,280 feet, 1,760 yards, or 63,360 inches.

b.
their names are: brandon, dave, javier, jayden, and tony.

c.
the congregation collected these items for the flood victims canned goods, clothing, and blankets.

d.
that college has three football teams: varsity, junior varsity, and freshman.

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