Your vacation is considered as a temporary absence and you can answer that your child lived in the US for the whole year. And she is a qualifying child for EITC purposes.
Please see this IRS document:
https://apps.irs.gov/app/IPAR/resources/help/tempabs.html
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
