why not 'tone' or 'sound'?

[rekha]

English Language Tests, Intermediate level

ESL/EFL Test #276 "If memory serves me right", question 6

Pete: Well, he was tall and spoke with a very English ..........

(a) tone
(b) sound
(c) accent
(d) noise

English Language Tests, Intermediate level

ESL/EFL Test #276 "If memory serves me right", answer 6

Pete: Well, he was tall and spoke with a very English accent.

Correct answer: (c) accent

Your answer was: incorrect
Pete: Well, he was tall and spoke with a very English tone.
_________________________

why not 'tone' or 'sound'?

rekha

[Mister Micawber]

.
There is no English tone or sound that I am aware of; only an English accent.
.
_________________
Native English teacher at Mister Micawber's