Coherent vs. convoluted

[Guest]

Test No. incompl/advan-91 "GMAT Verbal Quiz (14)", question 7

It was quite obvious that he was drunk because he couldn't finish his sentences and his speech was not ..........

(a) contented
(b) coherent
(c) convinced
(d) convoluted

Test No. incompl/advan-91 "GMAT Verbal Quiz (14)", answer 7

It was quite obvious that he was drunk because he couldn't finish his sentences and his speech was not coherent.

Correct answer: (b) coherent
_________________________

convoluted

[Mister Micawber]

.
And what is your question? A dictionary will give you the meanings of coherent and convoluted:

Coherent: (adjective) capable of thinking and expressing yourself in a clear and consistent manner.

Convoluted: (adjective) rolled or coiled together; highly involved or intricate.
.
_________________
Native English teacher at Mister Micawber's