I'd only use 'popped up'. The meaning would be similar to 'came up', but with an added sense of suddenness. The use of 'popped out' simply doesn't sound idiomatic to me in the context.
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YankeeI'd only use 'popped up'. The meaning would be similar to 'came up', but with an added sense of suddenness.Thanks, Amy.
The use of 'popped out' simply doesn't sound idiomatic to me in the context.