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
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Why not pernicious?

Gelly

[Mister Micawber]

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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.
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Native English teacher at Mister Micawber's