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1984

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Thought Crime

1984-34Y1KN

Based on the context of the following quote, what is the BEST meaning for the word insidious?

Thought crime is a dreadful thing, old man, he said sententiously. It's insidious. It can get hold of you without your even knowing it.

A

flawless

B

deceptive

C

upfront

D

obvious

E

observable