Which sentence demonstrates correct use of the colon?
A) Friday's grammar test will cover: the following areas capitalization, punctuation, and diagramming.
B) Friday's grammar test will cover the following: areas capitalization, punctuation, and diagramming.
C) Friday's grammar test will cover the following areas: capitalization, punctuation, and diagramming.
D) Friday's grammar test: will cover the following areas capitalization, punctuation, and diagramming.