Which sentence correctly uses a colon to introduce a list after a complete sentence?

• A. The ingredients are flour, sugar, and eggs.
• B. The ingredients are: flour, sugar, and eggs.
• C. The ingredients are; flour, sugar, and eggs.
• D. The ingredients are - flour, sugar, and eggs.

Answer: (B)

Introducing a list with a colon follows a complete thought. The sentence before the colon states a full idea, and the colon signals that what comes after will be the list of items. Here, “The ingredients are” presents a complete thought, and the colon leads directly into the list: flour, sugar, and eggs. This is the standard, clear way to present a list after a sentence.

Other punctuation doesn’t serve the same purpose. Omitting the colon leaves the sentence as a plain statement rather than signaling a forthcoming list. A semicolon after “are” isn’t correct for introducing a list, and a dash doesn’t establish the formal list introduction that a colon provides.