Picks items from ice-cream van, but not one cold (7)

I believe the answer is:

choices

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'picks' is the definition.
('choice' can be a synonym of 'pick')

I cannot understand how the rest of the clue works.

(Other definitions for choices that I've seen before include "Selections" , "Options, alternatives 97)" .)

I've seen this clue in The Guardian.

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