Which choice shows the proper way to use a colon? my doctor said, “read the label.” warning: if taken internally, consult a physician immediately. there is: one thing you should always read a warning label. warnings are written: on the following labels medicines, cleaning products, and some foods.

The correct answer is B. Warning: If taken internally, consult a physician immediately.

Explanation:

In writing, the colon (:) is a punctuation mark used to introduce a list of items or an explanation of a previous word or phrase. Additionally, this punctuation mark can only be used if the word or words that precede it express a complete idea, this also implies it is grammatically incorrect to place the colon between the subject and the verb, between a verb and its complement or between any other essential elements that go together. Considering this, the choice that uses the colon correctly is "Warning: If taken internally, consult a physician immediately" because in this case the colon is used to introduce an explanation of the word "Warning" but also this word expresses a complete thought which means the colon is not breaking essential parts of the sentence and therefore its use is correct.

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