meaning of the final disaster

[Limbo]

English Idioms and Expressions, Advanced Level

ESL/EFL Test #3 "Lucky Alex", question 6

As far as Alex was concerned this was the last straw and he vowed he would never risk money on a horse ever again.

(a) the final decision
(b) the final moment
(c) the final disaster
(d) the final occasion

English Idioms and Expressions, Advanced Level

ESL/EFL Test #3 "Lucky Alex", answer 6

As far as Alex was concerned this was the final disaster and he vowed he would never risk money on a horse ever again.

Correct answer: (c) the final disaster
_________________________

what the meaning of the final disaster?

please thanx
Limbo

[Mister Micawber]

.
the last very bad thing to happen.
.
_________________
Native English teacher at Mister Micawber's