Read the sentences and question that follows. (Illuminate)

I heard Mother on the phone say, "Let me think. Oh, that's right. He had basketball practice after school, and then he said he was going to the library to study."

If the author wanted the reader to know that Mother was pausing to think, how should the author punctuate the sentence properly?

(1 point)
Responses

Let me think; oh, that's right.
Let me think; oh, that's right.

Let me think! Oh, that's right.
Let me think! Oh, that's right.

Let me think: Oh, that's right.
Let me think: Oh, that's right.

Let me think—oh, that's right.

Let me think—oh, that's right.