Meaning of 'limit'

[mesbah]

Test No. incompl/advan-49 "Up in the Clouds", question 2

I was asked how many tests I would write and I said the sky's the ......... - in other words as many as possible.

(a) end
(b) finish
(c) limit
(d) top

Test No. incompl/advan-49 "Up in the Clouds", answer 2

I was asked how many tests I would write and I said the sky's the limit - in other words as many as possible.

Correct answer: (c) limit
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Please confirm me. Waiting for your reply

[Rich7]

Nothing to confirm, the correct answer is "limit."