Idiom "have someone's head on a platter"

[Leonidi Karot]

English Language Tests, Intermediate level

ESL/EFL Test #288 "English Slang Idioms (10)", question 5

"I'll have his ......... on a platter!" The enraged boss said when he found evidence that revealed one of his employees was stealing from him.

(a) horse
(b) food
(c) goose
(d) head

English Language Tests, Intermediate level

ESL/EFL Test #288 "English Slang Idioms (10)", answer 5

"I'll have his head on a platter!" The enraged boss said when he found evidence that revealed one of his employees was stealing from him.

Correct answer: (d) head
_________________________

why head is correct?

Leonidi Karot

[Mister Micawber]

.
The idiom is 'have someone's head on a platter' = apprehend and punish someone severely.

King Herod wanted and got St John the Baptist's head on a platter.
.
_________________
Native English teacher at Mister Micawber's