Meaning of the idiom "lion's share of the food"

[Kerimov]

English Idioms and Expressions, Elementary Level

ESL/EFL Test #9 "Animal Idioms", question 5

He's very greedy when it comes to eating and always takes the lion's share of the food.

(a) last portion
(b) smallest portion
(c) first portion
(d) largest portion

English Idioms and Expressions, Elementary Level

ESL/EFL Test #9 "Animal Idioms", answer 5

He's very greedy when it comes to eating and always takes the largest portion.

Correct answer: (d) largest portion
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HELP EXPLAIN ME THE MEANING OF THE IDIOM "LION'S SHARE OF THE FOOD"?

Kerimov

[Mister Micawber]

the biggest share
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Native English teacher at Mister Micawber's