The prospective buyer grew ........ when the seller tried to rush the sale.
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suspects
-
suspicious
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suspecion
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suspected
B
Correct answer
Explanation
The correct answer is 'suspicious'. The sentence requires an adjective that describes a state of wariness or distrust. 'Grew suspicious' is the correct idiomatic expression - becoming distrustful when someone tries to rush you into a sale. 'Suspects' is a verb/noun, 'suspecion' is a misspelling of 'suspicion' (noun), and 'suspected' is a past participle that doesn't work after 'grew' here.