Which sentence correctly uses a colon to introduce explanation, a list, or a quotation after an independent clause?

Which sentence correctly uses a colon to introduce explanation, a list, or a quotation after an independent clause?

• A. She bought three things, a notebook, a pen, and a ruler.
• B. She bought three things: a notebook, a pen, and a ruler.
• C. She bought three things; a notebook, a pen, and a ruler.
• D. She bought three things - a notebook, a pen, and a ruler.

Answer: (B)

Using a colon after a complete sentence signals that what follows will explain or enumerate the first part. In this case, “She bought three things” is a full statement, and the items that follow—“a notebook, a pen, and a ruler”—are exactly what those three things are. The colon sets up that direct list, making the sentence clear and properly punctuated. The other options don’t fit this standard pattern. A comma after the introductory clause doesn’t introduce a list; a semicolon would split two independent thoughts; a dash can hint at an explanation but isn’t the conventional way to introduce a list after a statement. So the colon is the correct choice to introduce the list.

Using a colon after a complete sentence signals that what follows will explain or enumerate the first part. In this case, “She bought three things” is a full statement, and the items that follow—“a notebook, a pen, and a ruler”—are exactly what those three things are. The colon sets up that direct list, making the sentence clear and properly punctuated.

The other options don’t fit this standard pattern. A comma after the introductory clause doesn’t introduce a list; a semicolon would split two independent thoughts; a dash can hint at an explanation but isn’t the conventional way to introduce a list after a statement. So the colon is the correct choice to introduce the list.