Why is macbeth so upset about the prophecy Of banquo's sons being kings

The vision of Banquo and the line of kings, however, causes Macbeth to lash out at the witches. The reason this upsets Macbeth is that it recalls the prophecy given in Act I: That Macbeth would be King and Banquo would not, but Banquo would "get kings," as in "beget," or be the father to kings.

Explanation:

hope this helps mark me brainliest plz? O///O

(d) alice notices that the glass is melting away. because that aint real

i suggest it is anadiplosis