What does 'it' mean in this sentence?

[utrollo]

English Error, Elementary Level

ESL/EFL Test #18 "Cat and mouse", question 1

Last week a cat saw a small mouse in a glass jar and wanted to ate it because it was hungry.

(a) saw
(b) ate
(c) was

English Error, Elementary Level

ESL/EFL Test #18 "Cat and mouse", answer 1

Last week a cat saw a small mouse in a glass jar and wanted to eat it because it was hungry.

Correct entry: eat
The error was: (b) ate
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what does it mean?

[Mister Micawber]

.
The first 'it' means the mouse and the second 'it' means the cat.
.
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Native English teacher at Mister Micawber's

[Conchita]

[Ahmadov]

Nice pic, Conchita :)
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Learning is a sacred engagement.