The sentences which uses a colon correctly are:
According to the given question, we are asked to show the sentences which makes use of the colon properly.
As a result of this, we know that a colon is used to show a list of things, or give emphasis, among many other functions.
With this in mind, we can note from the list of available choices that options B and C makes proper use of colons.
Therefore, the correct answers are options B and C
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