persuasive vs pernicious

[Gelly]

Business Idiom in English, Intermediate level

ESL/EFL Test #138 "Ways of disagreeing", question 5

No matter how ......... you are, I won't change my mind.

(a) perceptive
(b) perverse
(c) pernicious
(d) persuasive

Business Idiom in English, Intermediate level

ESL/EFL Test #138 "Ways of disagreeing", answer 5

No matter how persuasive you are, I won't change my mind.

Correct answer: (d) persuasive
_________________________

Why not pernicious?

Gelly

[Mister Micawber]

.
The word does not make good sense in this sentence. All of the given adjectives are grammatically possible; your task is to decide which one make reasonable sense in the context.
.
_________________
Canadian-American native speaker
who teaches English for a living at Mister Micawber's
ESL cafe: Interview with Mr. Micawber