When should you use a colon to introduce a quotation?

when the quotation is a question

when the quotation is a single sentence

when the introduction needs the quotation to complete it

when the introduction is a complete sentence on its own

Respuesta :

Answer:

When the introduction needs the quotation to complete is the best answer.

Explanation:

Answer:

When the introduction is a complete sentence on its own (also known as an independent clause).

Explanation: